[PATCH v3 00/18] media: Fix the last set of coccinelle warnings

[PATCH v3 00/18] media: Fix the last set of coccinelle warnings

[Ricardo Ribalda]

With this set we are done with all the cocci warning/errors.

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
Changes in v3:
- Do not rename structure fields. (Thanks Bryan)
- Link to v2: https://lore.kernel.org/r/20240507-cocci-flexarray-v2-0-7aea262cf065@chromium.org

Changes in v2:
- allegro: Replace hard coded 1 with a define. (Thanks Michael)
- Link to v1: https://lore.kernel.org/r/20240507-cocci-flexarray-v1-0-4a421c21fd06@chromium.org

---
Ricardo Ribalda (18):
      media: allegro: nal-hevc: Replace array[1] with arrray[N]
      media: xilinx: Refactor struct xvip_dma
      media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE_T
      media: dvb-frontend/mxl5xx: Use flex array for MBIN_SEGMENT_T
      media: pci: cx18: Use flex arrays for struct cx18_scb
      media: siano: Refactor struct sms_msg_data
      media: siano: Remove unused structures
      media: siano: Use flex arrays for sms_firmware
      media: venus: Remove unused structs
      media: venus: Use flex array for hfi_session_release_buffer_pkt
      media: venus: Refactor struct hfi_uncompressed_plane_info
      media: venus: Refactor struct hfi_session_get_property_pkt
      media: venus: Refactor struct hfi_uncompressed_format_supported
      media: venus: Refactor hfi_session_empty_buffer_uncompressed_plane0_pkt
      media: venus: Refactor hfi_session_empty_buffer_compressed_pkt
      media: venus: Refactor hfi_sys_get_property_pkt
      media: venus: Refactor hfi_session_fill_buffer_pkt
      media: venus: Refactor hfi_buffer_alloc_mode_supported

 drivers/media/common/siano/smscoreapi.c        | 10 +++---
 drivers/media/common/siano/smscoreapi.h        | 18 ++---------
 drivers/media/common/siano/smsdvb-main.c       |  4 +--
 drivers/media/common/siano/smsendian.c         |  8 +++--
 drivers/media/dvb-frontends/mxl5xx.c           |  2 +-
 drivers/media/dvb-frontends/mxl5xx_defs.h      |  4 +--
 drivers/media/pci/cx18/cx18-scb.h              |  2 +-
 drivers/media/platform/allegro-dvt/nal-hevc.h  |  7 ++--
 drivers/media/platform/qcom/venus/hfi_cmds.c   |  8 ++---
 drivers/media/platform/qcom/venus/hfi_cmds.h   | 38 ++++------------------
 drivers/media/platform/qcom/venus/hfi_helper.h | 45 ++------------------------
 drivers/media/platform/qcom/venus/hfi_parser.c |  2 +-
 drivers/media/platform/xilinx/xilinx-dma.c     |  4 +--
 drivers/media/platform/xilinx/xilinx-dma.h     |  2 +-
 14 files changed, 39 insertions(+), 115 deletions(-)
---
base-commit: 48259b90973718d2277db27b5e510f0fe957eaa0
change-id: 20240507-cocci-flexarray-9a807a8e108e

Best regards,
-- 
Ricardo Ribalda <ribalda@chromium.org>


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[PATCH v3 01/18] media: allegro: nal-hevc: Replace array[1] with arrray[N]

[Ricardo Ribalda]

Structures that have a single element array as the last field can be
mistaken as a "flex array".

We could replace all the single element arrays in the structure with
single element fields, but this driver prefers to follow the ITU-T H.265
specification, which defines it as an array.

If we introduce a new define N_HRD_PARAMETERS, we make clear our
intentions.

This fixes this cocci warning:
drivers/media/platform/allegro-dvt/nal-hevc.h:102:14-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/allegro-dvt/nal-hevc.h | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/allegro-dvt/nal-hevc.h b/drivers/media/platform/allegro-dvt/nal-hevc.h
index eb46f12aae80..361e2f55c254 100644
--- a/drivers/media/platform/allegro-dvt/nal-hevc.h
+++ b/drivers/media/platform/allegro-dvt/nal-hevc.h
@@ -96,10 +96,11 @@ struct nal_hevc_vps {
 	unsigned int extension_data_flag;
 };
 
+#define N_HRD_PARAMS 1
 struct nal_hevc_sub_layer_hrd_parameters {
-	unsigned int bit_rate_value_minus1[1];
-	unsigned int cpb_size_value_minus1[1];
-	unsigned int cbr_flag[1];
+	unsigned int bit_rate_value_minus1[N_HRD_PARAMS];
+	unsigned int cpb_size_value_minus1[N_HRD_PARAMS];
+	unsigned int cbr_flag[N_HRD_PARAMS];
 };
 
 struct nal_hevc_hrd_parameters {

-- 
2.45.1.288.g0e0cd299f1-goog


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Re: [PATCH v3 01/18] media: allegro: nal-hevc: Replace array[1] with arrray[N]

[Michael Tretter]

Typo in the subject: arrray -> array

On Mon, 27 May 2024 21:08:51 +0000, Ricardo Ribalda wrote:
> Structures that have a single element array as the last field can be
> mistaken as a "flex array".
> 
> We could replace all the single element arrays in the structure with
> single element fields, but this driver prefers to follow the ITU-T H.265
> specification, which defines it as an array.
> 
> If we introduce a new define N_HRD_PARAMETERS, we make clear our
> intentions.

N_HRD_PARAMETERS -> N_HRD_PARAMS

> 
> This fixes this cocci warning:
> drivers/media/platform/allegro-dvt/nal-hevc.h:102:14-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>

With that fixed

Reviewed-by: Michael Tretter <m.tretter@pengutronix.de>

> ---
>  drivers/media/platform/allegro-dvt/nal-hevc.h | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/media/platform/allegro-dvt/nal-hevc.h b/drivers/media/platform/allegro-dvt/nal-hevc.h
> index eb46f12aae80..361e2f55c254 100644
> --- a/drivers/media/platform/allegro-dvt/nal-hevc.h
> +++ b/drivers/media/platform/allegro-dvt/nal-hevc.h
> @@ -96,10 +96,11 @@ struct nal_hevc_vps {
>  	unsigned int extension_data_flag;
>  };
>  
> +#define N_HRD_PARAMS 1
>  struct nal_hevc_sub_layer_hrd_parameters {
> -	unsigned int bit_rate_value_minus1[1];
> -	unsigned int cpb_size_value_minus1[1];
> -	unsigned int cbr_flag[1];
> +	unsigned int bit_rate_value_minus1[N_HRD_PARAMS];
> +	unsigned int cpb_size_value_minus1[N_HRD_PARAMS];
> +	unsigned int cbr_flag[N_HRD_PARAMS];
>  };
>  
>  struct nal_hevc_hrd_parameters {
> 
> -- 
> 2.45.1.288.g0e0cd299f1-goog
> 
> 

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[PATCH v3 02/18] media: xilinx: Refactor struct xvip_dma

[Ricardo Ribalda]

Replace a single element array with a single field.

The following cocci warning is fixed:
drivers/media/platform/xilinx/xilinx-dma.h:100:19-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/xilinx/xilinx-dma.c | 4 ++--
 drivers/media/platform/xilinx/xilinx-dma.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c
index a96de5d388a1..a1687b868a44 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.c
+++ b/drivers/media/platform/xilinx/xilinx-dma.c
@@ -348,8 +348,8 @@ static void xvip_dma_buffer_queue(struct vb2_buffer *vb)
 	}
 
 	dma->xt.frame_size = 1;
-	dma->sgl[0].size = dma->format.width * dma->fmtinfo->bpp;
-	dma->sgl[0].icg = dma->format.bytesperline - dma->sgl[0].size;
+	dma->sgl.size = dma->format.width * dma->fmtinfo->bpp;
+	dma->sgl.icg = dma->format.bytesperline - dma->sgl.size;
 	dma->xt.numf = dma->format.height;
 
 	desc = dmaengine_prep_interleaved_dma(dma->dma, &dma->xt, flags);
diff --git a/drivers/media/platform/xilinx/xilinx-dma.h b/drivers/media/platform/xilinx/xilinx-dma.h
index 9c6d4c18d1a9..18f77e1a7b39 100644
--- a/drivers/media/platform/xilinx/xilinx-dma.h
+++ b/drivers/media/platform/xilinx/xilinx-dma.h
@@ -97,7 +97,7 @@ struct xvip_dma {
 	struct dma_chan *dma;
 	unsigned int align;
 	struct dma_interleaved_template xt;
-	struct data_chunk sgl[1];
+	struct data_chunk sgl;
 };
 
 #define to_xvip_dma(vdev)	container_of(vdev, struct xvip_dma, video)

-- 
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Re: [PATCH v3 02/18] media: xilinx: Refactor struct xvip_dma

[Laurent Pinchart]

Hi Ricardo,

Thank you for the patch.

On Mon, May 27, 2024 at 09:08:52PM +0000, Ricardo Ribalda wrote:
> Replace a single element array with a single field.
> 
> The following cocci warning is fixed:
> drivers/media/platform/xilinx/xilinx-dma.h:100:19-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

> ---
>  drivers/media/platform/xilinx/xilinx-dma.c | 4 ++--
>  drivers/media/platform/xilinx/xilinx-dma.h | 2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/media/platform/xilinx/xilinx-dma.c b/drivers/media/platform/xilinx/xilinx-dma.c
> index a96de5d388a1..a1687b868a44 100644
> --- a/drivers/media/platform/xilinx/xilinx-dma.c
> +++ b/drivers/media/platform/xilinx/xilinx-dma.c
> @@ -348,8 +348,8 @@ static void xvip_dma_buffer_queue(struct vb2_buffer *vb)
>  	}
>  
>  	dma->xt.frame_size = 1;
> -	dma->sgl[0].size = dma->format.width * dma->fmtinfo->bpp;
> -	dma->sgl[0].icg = dma->format.bytesperline - dma->sgl[0].size;
> +	dma->sgl.size = dma->format.width * dma->fmtinfo->bpp;
> +	dma->sgl.icg = dma->format.bytesperline - dma->sgl.size;
>  	dma->xt.numf = dma->format.height;
>  
>  	desc = dmaengine_prep_interleaved_dma(dma->dma, &dma->xt, flags);
> diff --git a/drivers/media/platform/xilinx/xilinx-dma.h b/drivers/media/platform/xilinx/xilinx-dma.h
> index 9c6d4c18d1a9..18f77e1a7b39 100644
> --- a/drivers/media/platform/xilinx/xilinx-dma.h
> +++ b/drivers/media/platform/xilinx/xilinx-dma.h
> @@ -97,7 +97,7 @@ struct xvip_dma {
>  	struct dma_chan *dma;
>  	unsigned int align;
>  	struct dma_interleaved_template xt;
> -	struct data_chunk sgl[1];
> +	struct data_chunk sgl;
>  };
>  
>  #define to_xvip_dma(vdev)	container_of(vdev, struct xvip_dma, video)

-- 
Regards,

Laurent Pinchart

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[PATCH v3 03/18] media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE_T

[Ricardo Ribalda]

Replace a single element array, with a single element field.

The following cocci warning is fixed:
drivers/media/dvb-frontends/mxl5xx_defs.h:171:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/dvb-frontends/mxl5xx.c      | 2 +-
 drivers/media/dvb-frontends/mxl5xx_defs.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/dvb-frontends/mxl5xx.c b/drivers/media/dvb-frontends/mxl5xx.c
index 91e9c378397c..a15c0438b07a 100644
--- a/drivers/media/dvb-frontends/mxl5xx.c
+++ b/drivers/media/dvb-frontends/mxl5xx.c
@@ -893,7 +893,7 @@ static int do_firmware_download(struct mxl *state, u8 *mbin_buffer_ptr,
 	status = write_register(state, FW_DL_SIGN_ADDR, 0);
 	if (status)
 		return status;
-	segment_ptr = (struct MBIN_SEGMENT_T *) (&mbin_ptr->data[0]);
+	segment_ptr = (struct MBIN_SEGMENT_T *)(&mbin_ptr->data);
 	for (index = 0; index < mbin_ptr->header.num_segments; index++) {
 		if (segment_ptr->header.id != MBIN_SEGMENT_HEADER_ID) {
 			dev_err(state->i2cdev, "%s: Invalid segment header ID (%c)\n",
diff --git a/drivers/media/dvb-frontends/mxl5xx_defs.h b/drivers/media/dvb-frontends/mxl5xx_defs.h
index 097271f73740..3c5d75ed8fea 100644
--- a/drivers/media/dvb-frontends/mxl5xx_defs.h
+++ b/drivers/media/dvb-frontends/mxl5xx_defs.h
@@ -168,7 +168,7 @@ struct MBIN_FILE_HEADER_T {
 
 struct MBIN_FILE_T {
 	struct MBIN_FILE_HEADER_T header;
-	u8 data[1];
+	u8 data;
 };
 
 struct MBIN_SEGMENT_HEADER_T {

-- 
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Re: [PATCH v3 03/18] media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE_T

[Hans Verkuil]

On 27/05/2024 23:08, Ricardo Ribalda wrote:
> Replace a single element array, with a single element field.
> 
> The following cocci warning is fixed:
> drivers/media/dvb-frontends/mxl5xx_defs.h:171:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/dvb-frontends/mxl5xx.c      | 2 +-
>  drivers/media/dvb-frontends/mxl5xx_defs.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/dvb-frontends/mxl5xx.c b/drivers/media/dvb-frontends/mxl5xx.c
> index 91e9c378397c..a15c0438b07a 100644
> --- a/drivers/media/dvb-frontends/mxl5xx.c
> +++ b/drivers/media/dvb-frontends/mxl5xx.c
> @@ -893,7 +893,7 @@ static int do_firmware_download(struct mxl *state, u8 *mbin_buffer_ptr,
>  	status = write_register(state, FW_DL_SIGN_ADDR, 0);
>  	if (status)
>  		return status;
> -	segment_ptr = (struct MBIN_SEGMENT_T *) (&mbin_ptr->data[0]);
> +	segment_ptr = (struct MBIN_SEGMENT_T *)(&mbin_ptr->data);
>  	for (index = 0; index < mbin_ptr->header.num_segments; index++) {
>  		if (segment_ptr->header.id != MBIN_SEGMENT_HEADER_ID) {
>  			dev_err(state->i2cdev, "%s: Invalid segment header ID (%c)\n",
> diff --git a/drivers/media/dvb-frontends/mxl5xx_defs.h b/drivers/media/dvb-frontends/mxl5xx_defs.h
> index 097271f73740..3c5d75ed8fea 100644
> --- a/drivers/media/dvb-frontends/mxl5xx_defs.h
> +++ b/drivers/media/dvb-frontends/mxl5xx_defs.h
> @@ -168,7 +168,7 @@ struct MBIN_FILE_HEADER_T {
>  
>  struct MBIN_FILE_T {
>  	struct MBIN_FILE_HEADER_T header;
> -	u8 data[1];
> +	u8 data;

From what I can tell, shouldn't this be 'data[]'? It really appears to be a flexible array.

Regards,

	Hans

>  };
>  
>  struct MBIN_SEGMENT_HEADER_T {
> 


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Re: [PATCH v3 03/18] media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE_T

[Ricardo Ribalda]

Hi Hans

On Thu, 30 May 2024 at 14:33, Hans Verkuil <hverkuil-cisco@xs4all.nl> wrote:
>
> On 27/05/2024 23:08, Ricardo Ribalda wrote:
> > Replace a single element array, with a single element field.
> >
> > The following cocci warning is fixed:
> > drivers/media/dvb-frontends/mxl5xx_defs.h:171:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> >
> > Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> > ---
> >  drivers/media/dvb-frontends/mxl5xx.c      | 2 +-
> >  drivers/media/dvb-frontends/mxl5xx_defs.h | 2 +-
> >  2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/drivers/media/dvb-frontends/mxl5xx.c b/drivers/media/dvb-frontends/mxl5xx.c
> > index 91e9c378397c..a15c0438b07a 100644
> > --- a/drivers/media/dvb-frontends/mxl5xx.c
> > +++ b/drivers/media/dvb-frontends/mxl5xx.c
> > @@ -893,7 +893,7 @@ static int do_firmware_download(struct mxl *state, u8 *mbin_buffer_ptr,
> >       status = write_register(state, FW_DL_SIGN_ADDR, 0);
> >       if (status)
> >               return status;
> > -     segment_ptr = (struct MBIN_SEGMENT_T *) (&mbin_ptr->data[0]);
> > +     segment_ptr = (struct MBIN_SEGMENT_T *)(&mbin_ptr->data);
> >       for (index = 0; index < mbin_ptr->header.num_segments; index++) {
> >               if (segment_ptr->header.id != MBIN_SEGMENT_HEADER_ID) {
> >                       dev_err(state->i2cdev, "%s: Invalid segment header ID (%c)\n",
> > diff --git a/drivers/media/dvb-frontends/mxl5xx_defs.h b/drivers/media/dvb-frontends/mxl5xx_defs.h
> > index 097271f73740..3c5d75ed8fea 100644
> > --- a/drivers/media/dvb-frontends/mxl5xx_defs.h
> > +++ b/drivers/media/dvb-frontends/mxl5xx_defs.h
> > @@ -168,7 +168,7 @@ struct MBIN_FILE_HEADER_T {
> >
> >  struct MBIN_FILE_T {
> >       struct MBIN_FILE_HEADER_T header;
> > -     u8 data[1];
> > +     u8 data;
>
> From what I can tell, shouldn't this be 'data[]'? It really appears to be a flexible array.

The field is mainly used to ease the data parsing. There was only
data[0] used, so I decided to make it into a single element array to
avoid changing the size of the structure....

But you are correct, it looks more clear as a flex array and there is
no allocation or sizeof() so I think it is safe to change its size.

Will squash with the MBIN_SEGMENT_T patch also

Thanks!


>
> Regards,
>
>         Hans
>
> >  };
> >
> >  struct MBIN_SEGMENT_HEADER_T {
> >
>


-- 
Ricardo Ribalda

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[PATCH v3 04/18] media: dvb-frontend/mxl5xx: Use flex array for MBIN_SEGMENT_T

[Ricardo Ribalda]

Replace the older style one-element array with a flexible array member.
There does not seem to be any allocation for this struct in the code, so
no more code changes are required.

The following cocci warning is fixed:
drivers/media/dvb-frontends/mxl5xx_defs.h:182:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/dvb-frontends/mxl5xx_defs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/dvb-frontends/mxl5xx_defs.h b/drivers/media/dvb-frontends/mxl5xx_defs.h
index 3c5d75ed8fea..512ec979f96f 100644
--- a/drivers/media/dvb-frontends/mxl5xx_defs.h
+++ b/drivers/media/dvb-frontends/mxl5xx_defs.h
@@ -179,7 +179,7 @@ struct MBIN_SEGMENT_HEADER_T {
 
 struct MBIN_SEGMENT_T {
 	struct MBIN_SEGMENT_HEADER_T header;
-	u8 data[1];
+	u8 data[];
 };
 
 enum MXL_CMD_TYPE_E { MXL_CMD_WRITE = 0, MXL_CMD_READ };

-- 
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Re: [PATCH v3 04/18] media: dvb-frontend/mxl5xx: Use flex array for MBIN_SEGMENT_T

[Hans Verkuil]

On 27/05/2024 23:08, Ricardo Ribalda wrote:
> Replace the older style one-element array with a flexible array member.
> There does not seem to be any allocation for this struct in the code, so
> no more code changes are required.
> 
> The following cocci warning is fixed:
> drivers/media/dvb-frontends/mxl5xx_defs.h:182:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/dvb-frontends/mxl5xx_defs.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/dvb-frontends/mxl5xx_defs.h b/drivers/media/dvb-frontends/mxl5xx_defs.h
> index 3c5d75ed8fea..512ec979f96f 100644
> --- a/drivers/media/dvb-frontends/mxl5xx_defs.h
> +++ b/drivers/media/dvb-frontends/mxl5xx_defs.h
> @@ -179,7 +179,7 @@ struct MBIN_SEGMENT_HEADER_T {
>  
>  struct MBIN_SEGMENT_T {
>  	struct MBIN_SEGMENT_HEADER_T header;
> -	u8 data[1];
> +	u8 data[];
>  };
>  
>  enum MXL_CMD_TYPE_E { MXL_CMD_WRITE = 0, MXL_CMD_READ };
> 

While this patch looks good to me, I'll skip it until my comment for the
previous patch is addressed. Actually, I think the two patches should be
combined, but I leave that up to you.

Regards,

	Hans

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[PATCH v3 05/18] media: pci: cx18: Use flex arrays for struct cx18_scb

[Ricardo Ribalda]

Replace the old-style single element array with a flexible array.
This structure does not seem to be allocated in the code, so there is no
need to change anything else.

The following cocci warning is fixed:
drivers/media/pci/cx18/cx18-scb.h:261:22-29: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/pci/cx18/cx18-scb.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/pci/cx18/cx18-scb.h b/drivers/media/pci/cx18/cx18-scb.h
index f7105421dd25..841edc0712ab 100644
--- a/drivers/media/pci/cx18/cx18-scb.h
+++ b/drivers/media/pci/cx18/cx18-scb.h
@@ -258,7 +258,7 @@ struct cx18_scb {
 	struct cx18_mailbox  ppu2epu_mb;
 
 	struct cx18_mdl_ack  cpu_mdl_ack[CX18_MAX_STREAMS][CX18_MAX_MDL_ACKS];
-	struct cx18_mdl_ent  cpu_mdl[1];
+	struct cx18_mdl_ent  cpu_mdl[];
 };
 
 void cx18_init_scb(struct cx18 *cx);

-- 
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[PATCH v3 06/18] media: siano: Refactor struct sms_msg_data

[Ricardo Ribalda]

Replace a single element array with a single element field.

The endianness conversion code seems to support multiple elements. To
avoid changing behavior a pointer to the single element has been used.

This is safer than moving to a flex array, because in that case the
structure size changes.

This fixes the following cocci warning:
drivers/media/common/siano/smscoreapi.h:619:5-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/common/siano/smscoreapi.c  | 10 +++++-----
 drivers/media/common/siano/smscoreapi.h  |  2 +-
 drivers/media/common/siano/smsdvb-main.c |  4 ++--
 drivers/media/common/siano/smsendian.c   |  8 +++++---
 4 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/media/common/siano/smscoreapi.c b/drivers/media/common/siano/smscoreapi.c
index 7ebcb10126c9..b6f1eb5dbbdf 100644
--- a/drivers/media/common/siano/smscoreapi.c
+++ b/drivers/media/common/siano/smscoreapi.c
@@ -839,7 +839,7 @@ static int smscore_configure_board(struct smscore_device_t *coredev)
 		mtu_msg.x_msg_header.msg_flags = 0;
 		mtu_msg.x_msg_header.msg_type = MSG_SMS_SET_MAX_TX_MSG_LEN_REQ;
 		mtu_msg.x_msg_header.msg_length = sizeof(mtu_msg);
-		mtu_msg.msg_data[0] = board->mtu;
+		mtu_msg.msg_data = board->mtu;
 
 		coredev->sendrequest_handler(coredev->context, &mtu_msg,
 					     sizeof(mtu_msg));
@@ -852,7 +852,7 @@ static int smscore_configure_board(struct smscore_device_t *coredev)
 		SMS_INIT_MSG(&crys_msg.x_msg_header,
 				MSG_SMS_NEW_CRYSTAL_REQ,
 				sizeof(crys_msg));
-		crys_msg.msg_data[0] = board->crystal;
+		crys_msg.msg_data = board->crystal;
 
 		coredev->sendrequest_handler(coredev->context, &crys_msg,
 					     sizeof(crys_msg));
@@ -1306,7 +1306,7 @@ static int smscore_init_device(struct smscore_device_t *coredev, int mode)
 	msg = (struct sms_msg_data *)SMS_ALIGN_ADDRESS(buffer);
 	SMS_INIT_MSG(&msg->x_msg_header, MSG_SMS_INIT_DEVICE_REQ,
 			sizeof(struct sms_msg_data));
-	msg->msg_data[0] = mode;
+	msg->msg_data = mode;
 
 	rc = smscore_sendrequest_and_wait(coredev, msg,
 			msg->x_msg_header. msg_length,
@@ -1394,7 +1394,7 @@ int smscore_set_device_mode(struct smscore_device_t *coredev, int mode)
 
 			SMS_INIT_MSG(&msg->x_msg_header, MSG_SMS_INIT_DEVICE_REQ,
 				     sizeof(struct sms_msg_data));
-			msg->msg_data[0] = mode;
+			msg->msg_data = mode;
 
 			rc = smscore_sendrequest_and_wait(
 				coredev, msg, msg->x_msg_header.msg_length,
@@ -1554,7 +1554,7 @@ void smscore_onresponse(struct smscore_device_t *coredev,
 			struct sms_msg_data *validity = (struct sms_msg_data *) phdr;
 
 			pr_debug("MSG_SMS_DATA_VALIDITY_RES, checksum = 0x%x\n",
-				validity->msg_data[0]);
+				validity->msg_data);
 			complete(&coredev->data_validity_done);
 			break;
 		}
diff --git a/drivers/media/common/siano/smscoreapi.h b/drivers/media/common/siano/smscoreapi.h
index f8789ee0d554..46dc74ac9318 100644
--- a/drivers/media/common/siano/smscoreapi.h
+++ b/drivers/media/common/siano/smscoreapi.h
@@ -616,7 +616,7 @@ struct sms_msg_hdr {
 
 struct sms_msg_data {
 	struct sms_msg_hdr x_msg_header;
-	u32 msg_data[1];
+	u32 msg_data;
 };
 
 struct sms_msg_data2 {
diff --git a/drivers/media/common/siano/smsdvb-main.c b/drivers/media/common/siano/smsdvb-main.c
index d893a0e4672b..44d8fe8b220e 100644
--- a/drivers/media/common/siano/smsdvb-main.c
+++ b/drivers/media/common/siano/smsdvb-main.c
@@ -689,7 +689,7 @@ static int smsdvb_start_feed(struct dvb_demux_feed *feed)
 	pid_msg.x_msg_header.msg_flags = 0;
 	pid_msg.x_msg_header.msg_type  = MSG_SMS_ADD_PID_FILTER_REQ;
 	pid_msg.x_msg_header.msg_length = sizeof(pid_msg);
-	pid_msg.msg_data[0] = feed->pid;
+	pid_msg.msg_data = feed->pid;
 
 	return smsclient_sendrequest(client->smsclient,
 				     &pid_msg, sizeof(pid_msg));
@@ -711,7 +711,7 @@ static int smsdvb_stop_feed(struct dvb_demux_feed *feed)
 	pid_msg.x_msg_header.msg_flags = 0;
 	pid_msg.x_msg_header.msg_type  = MSG_SMS_REMOVE_PID_FILTER_REQ;
 	pid_msg.x_msg_header.msg_length = sizeof(pid_msg);
-	pid_msg.msg_data[0] = feed->pid;
+	pid_msg.msg_data = feed->pid;
 
 	return smsclient_sendrequest(client->smsclient,
 				     &pid_msg, sizeof(pid_msg));
diff --git a/drivers/media/common/siano/smsendian.c b/drivers/media/common/siano/smsendian.c
index a3573814919b..b957970c7d97 100644
--- a/drivers/media/common/siano/smsendian.c
+++ b/drivers/media/common/siano/smsendian.c
@@ -20,11 +20,12 @@ void smsendian_handle_tx_message(void *buffer)
 	struct sms_msg_data *msg = buffer;
 	int i;
 	int msg_words;
+	u32 *msg_data = &msg->msg_data;
 
 	switch (msg->x_msg_header.msg_type) {
 	case MSG_SMS_DATA_DOWNLOAD_REQ:
 	{
-		msg->msg_data[0] = le32_to_cpu((__force __le32)(msg->msg_data[0]));
+		msg->msg_data = le32_to_cpu((__force __le32)(msg->msg_data));
 		break;
 	}
 
@@ -33,7 +34,7 @@ void smsendian_handle_tx_message(void *buffer)
 				sizeof(struct sms_msg_hdr))/4;
 
 		for (i = 0; i < msg_words; i++)
-			msg->msg_data[i] = le32_to_cpu((__force __le32)msg->msg_data[i]);
+			msg_data[i] = le32_to_cpu((__force __le32)msg_data[i]);
 
 		break;
 	}
@@ -66,11 +67,12 @@ void smsendian_handle_rx_message(void *buffer)
 
 	default:
 	{
+		u32 *msg_data = &msg->msg_data;
 		msg_words = (msg->x_msg_header.msg_length -
 				sizeof(struct sms_msg_hdr))/4;
 
 		for (i = 0; i < msg_words; i++)
-			msg->msg_data[i] = le32_to_cpu((__force __le32)msg->msg_data[i]);
+			msg_data[i] = le32_to_cpu((__force __le32)msg_data[i]);
 
 		break;
 	}

-- 
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[PATCH v3 07/18] media: siano: Remove unused structures

[Ricardo Ribalda]

These structs are not used in the code, remove them.

This fixes the following cocci warning:

drivers/media/common/siano/smscoreapi.h:1049:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/common/siano/smscoreapi.h:1055:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/common/siano/smscoreapi.h | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/drivers/media/common/siano/smscoreapi.h b/drivers/media/common/siano/smscoreapi.h
index 46dc74ac9318..bc61bc8b9ea9 100644
--- a/drivers/media/common/siano/smscoreapi.h
+++ b/drivers/media/common/siano/smscoreapi.h
@@ -1042,20 +1042,6 @@ struct sms_srvm_signal_status {
 	u32 request_id;
 };
 
-struct sms_i2c_req {
-	u32	device_address; /* I2c device address */
-	u32	write_count; /* number of bytes to write */
-	u32	read_count; /* number of bytes to read */
-	u8	Data[1];
-};
-
-struct sms_i2c_res {
-	u32	status; /* non-zero value in case of failure */
-	u32	read_count; /* number of bytes read */
-	u8	Data[1];
-};
-
-
 struct smscore_config_gpio {
 #define SMS_GPIO_DIRECTION_INPUT  0
 #define SMS_GPIO_DIRECTION_OUTPUT 1

-- 
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[PATCH v3 08/18] media: siano: Use flex arrays for sms_firmware

[Ricardo Ribalda]

Replace old style single array member, with flex array.

The struct is allocated, but it seems like there was an over allocation
error:

fw_buf = kmalloc(ALIGN(fw->size + sizeof(struct sms_firmware),
		SMS_ALLOC_ALIGNMENT), GFP_KERNEL | coredev->gfp_buf_flags);

This change fixes this cocci warning:
drivers/media/common/siano/smscoreapi.h:669:6-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/common/siano/smscoreapi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/common/siano/smscoreapi.h b/drivers/media/common/siano/smscoreapi.h
index bc61bc8b9ea9..82d9f8a64d99 100644
--- a/drivers/media/common/siano/smscoreapi.h
+++ b/drivers/media/common/siano/smscoreapi.h
@@ -666,7 +666,7 @@ struct sms_firmware {
 	u32			check_sum;
 	u32			length;
 	u32			start_address;
-	u8			payload[1];
+	u8			payload[];
 };
 
 /* statistics information returned as response for

-- 
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[PATCH v3 09/18] media: venus: Remove unused structs

[Ricardo Ribalda]

This structures are not used, and have a single element array at the end
of them. Remove them.

This fix the following cocci warnings:
drivers/media/platform/qcom/venus/hfi_helper.h:764:5-15: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/platform/qcom/venus/hfi_helper.h:1041:5-15: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/platform/qcom/venus/hfi_helper.h:1088:39-51: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/platform/qcom/venus/hfi_helper.h:1093:5-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/platform/qcom/venus/hfi_helper.h:1144:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/platform/qcom/venus/hfi_helper.h:1239:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/platform/qcom/venus/hfi_helper.h:1272:4-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/platform/qcom/venus/hfi_cmds.h:85:5-16: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/platform/qcom/venus/hfi_cmds.h:180:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
drivers/media/platform/qcom/venus/hfi_cmds.h:189:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/qcom/venus/hfi_cmds.h   | 26 -----------------
 drivers/media/platform/qcom/venus/hfi_helper.h | 39 --------------------------
 2 files changed, 65 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
index 20acd412ee7b..41f765eac4d9 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.h
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
@@ -77,14 +77,6 @@ struct hfi_sys_get_property_pkt {
 	u32 data[1];
 };
 
-struct hfi_sys_set_buffers_pkt {
-	struct hfi_pkt_hdr hdr;
-	u32 buffer_type;
-	u32 buffer_size;
-	u32 num_buffers;
-	u32 buffer_addr[1];
-};
-
 struct hfi_sys_ping_pkt {
 	struct hfi_pkt_hdr hdr;
 	u32 client_data;
@@ -171,24 +163,6 @@ struct hfi_session_empty_buffer_uncompressed_plane0_pkt {
 	u32 data[1];
 };
 
-struct hfi_session_empty_buffer_uncompressed_plane1_pkt {
-	u32 flags;
-	u32 alloc_len;
-	u32 filled_len;
-	u32 offset;
-	u32 packet_buffer2;
-	u32 data[1];
-};
-
-struct hfi_session_empty_buffer_uncompressed_plane2_pkt {
-	u32 flags;
-	u32 alloc_len;
-	u32 filled_len;
-	u32 offset;
-	u32 packet_buffer3;
-	u32 data[1];
-};
-
 struct hfi_session_fill_buffer_pkt {
 	struct hfi_session_hdr_pkt shdr;
 	u32 stream_id;
diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
index e4c05d62cfc7..7c0edef263ae 100644
--- a/drivers/media/platform/qcom/venus/hfi_helper.h
+++ b/drivers/media/platform/qcom/venus/hfi_helper.h
@@ -759,11 +759,6 @@ struct hfi_multi_stream_3x {
 	u32 enable;
 };
 
-struct hfi_multi_view_format {
-	u32 views;
-	u32 view_order[1];
-};
-
 #define HFI_MULTI_SLICE_OFF			0x1
 #define HFI_MULTI_SLICE_BY_MB_COUNT		0x2
 #define HFI_MULTI_SLICE_BY_BYTE_COUNT		0x3
@@ -1036,11 +1031,6 @@ struct hfi_codec_supported {
 	u32 enc_codecs;
 };
 
-struct hfi_properties_supported {
-	u32 num_properties;
-	u32 properties[1];
-};
-
 struct hfi_max_sessions_supported {
 	u32 max_sessions;
 };
@@ -1083,16 +1073,6 @@ struct hfi_resource_ocmem_requirement {
 	u32 size;
 };
 
-struct hfi_resource_ocmem_requirement_info {
-	u32 num_entries;
-	struct hfi_resource_ocmem_requirement requirements[1];
-};
-
-struct hfi_property_sys_image_version_info_type {
-	u32 string_size;
-	u8  str_image_version[1];
-};
-
 struct hfi_codec_mask_supported {
 	u32 codecs;
 	u32 video_domains;
@@ -1135,15 +1115,6 @@ struct hfi_index_extradata_config {
 	u32 index_extra_data_id;
 };
 
-struct hfi_extradata_header {
-	u32 size;
-	u32 version;
-	u32 port_index;
-	u32 type;
-	u32 data_size;
-	u8 data[1];
-};
-
 struct hfi_batch_info {
 	u32 input_batch_count;
 	u32 output_batch_count;
@@ -1234,11 +1205,6 @@ static inline void hfi_bufreq_set_count_min_host(struct hfi_buffer_requirements
 		req->count_min = val;
 };
 
-struct hfi_data_payload {
-	u32 size;
-	u8 data[1];
-};
-
 struct hfi_enable_picture {
 	u32 picture_type;
 };
@@ -1267,11 +1233,6 @@ struct hfi_buffer_alloc_mode_supported {
 	u32 data[1];
 };
 
-struct hfi_mb_error_map {
-	u32 error_map_size;
-	u8 error_map[1];
-};
-
 struct hfi_metadata_pass_through {
 	int enable;
 	u32 size;

-- 
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Re: [PATCH v3 09/18] media: venus: Remove unused structs

[Vikash Garodia]

Hi Ricardo,

On 5/28/2024 2:38 AM, Ricardo Ribalda wrote:
> This structures are not used, and have a single element array at the end
> of them. Remove them.
> 
> This fix the following cocci warnings:
> drivers/media/platform/qcom/venus/hfi_helper.h:764:5-15: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1041:5-15: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1088:39-51: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1093:5-22: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1144:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1239:4-8: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_helper.h:1272:4-13: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:85:5-16: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:180:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> drivers/media/platform/qcom/venus/hfi_cmds.h:189:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_cmds.h   | 26 -----------------
>  drivers/media/platform/qcom/venus/hfi_helper.h | 39 --------------------------
>  2 files changed, 65 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
> index 20acd412ee7b..41f765eac4d9 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.h
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
> @@ -77,14 +77,6 @@ struct hfi_sys_get_property_pkt {
>  	u32 data[1];
>  };
>  
> -struct hfi_sys_set_buffers_pkt {
> -	struct hfi_pkt_hdr hdr;
> -	u32 buffer_type;
> -	u32 buffer_size;
> -	u32 num_buffers;
> -	u32 buffer_addr[1];
> -};
> -
>  struct hfi_sys_ping_pkt {
>  	struct hfi_pkt_hdr hdr;
>  	u32 client_data;
> @@ -171,24 +163,6 @@ struct hfi_session_empty_buffer_uncompressed_plane0_pkt {
>  	u32 data[1];
>  };
>  
> -struct hfi_session_empty_buffer_uncompressed_plane1_pkt {
> -	u32 flags;
> -	u32 alloc_len;
> -	u32 filled_len;
> -	u32 offset;
> -	u32 packet_buffer2;
> -	u32 data[1];
> -};
> -
> -struct hfi_session_empty_buffer_uncompressed_plane2_pkt {
> -	u32 flags;
> -	u32 alloc_len;
> -	u32 filled_len;
> -	u32 offset;
> -	u32 packet_buffer3;
> -	u32 data[1];
> -};
> -
>  struct hfi_session_fill_buffer_pkt {
>  	struct hfi_session_hdr_pkt shdr;
>  	u32 stream_id;
> diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
> index e4c05d62cfc7..7c0edef263ae 100644
> --- a/drivers/media/platform/qcom/venus/hfi_helper.h
> +++ b/drivers/media/platform/qcom/venus/hfi_helper.h
> @@ -759,11 +759,6 @@ struct hfi_multi_stream_3x {
>  	u32 enable;
>  };
>  
> -struct hfi_multi_view_format {
> -	u32 views;
> -	u32 view_order[1];
> -};
> -
>  #define HFI_MULTI_SLICE_OFF			0x1
>  #define HFI_MULTI_SLICE_BY_MB_COUNT		0x2
>  #define HFI_MULTI_SLICE_BY_BYTE_COUNT		0x3
> @@ -1036,11 +1031,6 @@ struct hfi_codec_supported {
>  	u32 enc_codecs;
>  };
>  
> -struct hfi_properties_supported {
> -	u32 num_properties;
> -	u32 properties[1];
> -};
> -
>  struct hfi_max_sessions_supported {
>  	u32 max_sessions;
>  };
> @@ -1083,16 +1073,6 @@ struct hfi_resource_ocmem_requirement {
>  	u32 size;
>  };
>  
> -struct hfi_resource_ocmem_requirement_info {
> -	u32 num_entries;
> -	struct hfi_resource_ocmem_requirement requirements[1];
The struct "hfi_resource_ocmem_requirement" can also be removed alongwith this.

> -};
> -
> -struct hfi_property_sys_image_version_info_type {
> -	u32 string_size;
> -	u8  str_image_version[1];
> -};
> -
>  struct hfi_codec_mask_supported {
>  	u32 codecs;
>  	u32 video_domains;
> @@ -1135,15 +1115,6 @@ struct hfi_index_extradata_config {
>  	u32 index_extra_data_id;
>  };
>  
> -struct hfi_extradata_header {
> -	u32 size;
> -	u32 version;
> -	u32 port_index;
> -	u32 type;
> -	u32 data_size;
> -	u8 data[1];
> -};
> -
>  struct hfi_batch_info {
>  	u32 input_batch_count;
>  	u32 output_batch_count;
> @@ -1234,11 +1205,6 @@ static inline void hfi_bufreq_set_count_min_host(struct hfi_buffer_requirements
>  		req->count_min = val;
>  };
>  
> -struct hfi_data_payload {
> -	u32 size;
> -	u8 data[1];
> -};
> -
>  struct hfi_enable_picture {
>  	u32 picture_type;
>  };
> @@ -1267,11 +1233,6 @@ struct hfi_buffer_alloc_mode_supported {
>  	u32 data[1];
>  };
>  
> -struct hfi_mb_error_map {
> -	u32 error_map_size;
> -	u8 error_map[1];
> -};
> -
>  struct hfi_metadata_pass_through {
>  	int enable;
>  	u32 size;
> 
Regards,
Vikash

[PATCH v3 10/18] media: venus: Use flex array for hfi_session_release_buffer_pkt

[Ricardo Ribalda]

Replace the old style single element array with a flex array. We do not
allocate this structure, so the size change should not be an issue.

This fixes the following cocci warning:
drivers/media/platform/qcom/venus/hfi_cmds.h:204:5-16: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
index 41f765eac4d9..6dff949c4402 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.h
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
@@ -201,7 +201,7 @@ struct hfi_session_release_buffer_pkt {
 	u32 extradata_size;
 	u32 response_req;
 	u32 num_buffers;
-	u32 buffer_info[1];
+	u32 buffer_info[];
 };
 
 struct hfi_session_release_resources_pkt {

-- 
2.45.1.288.g0e0cd299f1-goog


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Re: [PATCH v3 10/18] media: venus: Use flex array for hfi_session_release_buffer_pkt

[Vikash Garodia]

On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> Replace the old style single element array with a flex array. We do not
> allocate this structure, so the size change should not be an issue.
> 
> This fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_cmds.h:204:5-16: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
> index 41f765eac4d9..6dff949c4402 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.h
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
> @@ -201,7 +201,7 @@ struct hfi_session_release_buffer_pkt {
>  	u32 extradata_size;
>  	u32 response_req;
>  	u32 num_buffers;
> -	u32 buffer_info[1];
> +	u32 buffer_info[];
>  };
>  
>  struct hfi_session_release_resources_pkt {
> 
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

[PATCH v3 11/18] media: venus: Refactor struct hfi_uncompressed_plane_info

[Ricardo Ribalda]

This field is never used, but if we remove it we would change the size
of the struct and can lead to behavior change. Stay on the safe side by
replacing the single element array with a single element field.

This fixes the following cocci warning:
drivers/media/platform/qcom/venus/hfi_helper.h:1003:43-60: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
---
 drivers/media/platform/qcom/venus/hfi_helper.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
index 7c0edef263ae..eb0a4c64b7ef 100644
--- a/drivers/media/platform/qcom/venus/hfi_helper.h
+++ b/drivers/media/platform/qcom/venus/hfi_helper.h
@@ -1000,7 +1000,7 @@ struct hfi_uncompressed_plane_constraints {
 struct hfi_uncompressed_plane_info {
 	u32 format;
 	u32 num_planes;
-	struct hfi_uncompressed_plane_constraints plane_constraints[1];
+	struct hfi_uncompressed_plane_constraints plane_constraints;
 };
 
 struct hfi_uncompressed_format_supported {

-- 
2.45.1.288.g0e0cd299f1-goog


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Re: [PATCH v3 11/18] media: venus: Refactor struct hfi_uncompressed_plane_info

[Vikash Garodia]

On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> This field is never used, but if we remove it we would change the size
> of the struct and can lead to behavior change. Stay on the safe side by
> replacing the single element array with a single element field.
> 
> This fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_helper.h:1003:43-60: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_helper.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
> index 7c0edef263ae..eb0a4c64b7ef 100644
> --- a/drivers/media/platform/qcom/venus/hfi_helper.h
> +++ b/drivers/media/platform/qcom/venus/hfi_helper.h
> @@ -1000,7 +1000,7 @@ struct hfi_uncompressed_plane_constraints {
>  struct hfi_uncompressed_plane_info {
>  	u32 format;
>  	u32 num_planes;
> -	struct hfi_uncompressed_plane_constraints plane_constraints[1];
> +	struct hfi_uncompressed_plane_constraints plane_constraints;
>  };
>  
>  struct hfi_uncompressed_format_supported {
> 
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

[PATCH v3 12/18] media: venus: Refactor struct hfi_session_get_property_pkt

[Ricardo Ribalda]

The struct hfi_session_get_property_pkt is always used to fectch a
single property. Make that explicit in the code and avoid a single
element array at the end of the struct.

This change fixes the following cocci warning:
drivers/media/platform/qcom/venus/hfi_cmds.h:194:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/qcom/venus/hfi_cmds.c | 4 ++--
 drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c
index 3418d2dd9371..75f4a3d3e748 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.c
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
@@ -402,7 +402,7 @@ static int pkt_session_get_property_1x(struct hfi_session_get_property_pkt *pkt,
 	pkt->shdr.hdr.pkt_type = HFI_CMD_SESSION_GET_PROPERTY;
 	pkt->shdr.session_id = hash32_ptr(cookie);
 	pkt->num_properties = 1;
-	pkt->data[0] = ptype;
+	pkt->data = ptype;
 
 	return 0;
 }
@@ -1110,7 +1110,7 @@ pkt_session_get_property_3xx(struct hfi_session_get_property_pkt *pkt,
 
 	switch (ptype) {
 	case HFI_PROPERTY_CONFIG_VDEC_ENTROPY:
-		pkt->data[0] = HFI_PROPERTY_CONFIG_VDEC_ENTROPY;
+		pkt->data = HFI_PROPERTY_CONFIG_VDEC_ENTROPY;
 		break;
 	default:
 		ret = pkt_session_get_property_1x(pkt, cookie, ptype);
diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
index 6dff949c4402..f5708fdfb197 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.h
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
@@ -191,7 +191,7 @@ struct hfi_session_resume_pkt {
 struct hfi_session_get_property_pkt {
 	struct hfi_session_hdr_pkt shdr;
 	u32 num_properties;
-	u32 data[1];
+	u32 data;
 };
 
 struct hfi_session_release_buffer_pkt {

-- 
2.45.1.288.g0e0cd299f1-goog


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Re: [PATCH v3 12/18] media: venus: Refactor struct hfi_session_get_property_pkt

[Vikash Garodia]

On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> The struct hfi_session_get_property_pkt is always used to fectch a
> single property. Make that explicit in the code and avoid a single
> element array at the end of the struct.
> 
> This change fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_cmds.h:194:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_cmds.c | 4 ++--
>  drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
>  2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c
> index 3418d2dd9371..75f4a3d3e748 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.c
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
> @@ -402,7 +402,7 @@ static int pkt_session_get_property_1x(struct hfi_session_get_property_pkt *pkt,
>  	pkt->shdr.hdr.pkt_type = HFI_CMD_SESSION_GET_PROPERTY;
>  	pkt->shdr.session_id = hash32_ptr(cookie);
>  	pkt->num_properties = 1;
> -	pkt->data[0] = ptype;
> +	pkt->data = ptype;
>  
>  	return 0;
>  }
> @@ -1110,7 +1110,7 @@ pkt_session_get_property_3xx(struct hfi_session_get_property_pkt *pkt,
>  
>  	switch (ptype) {
>  	case HFI_PROPERTY_CONFIG_VDEC_ENTROPY:
> -		pkt->data[0] = HFI_PROPERTY_CONFIG_VDEC_ENTROPY;
> +		pkt->data = HFI_PROPERTY_CONFIG_VDEC_ENTROPY;
>  		break;
>  	default:
>  		ret = pkt_session_get_property_1x(pkt, cookie, ptype);
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
> index 6dff949c4402..f5708fdfb197 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.h
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
> @@ -191,7 +191,7 @@ struct hfi_session_resume_pkt {
>  struct hfi_session_get_property_pkt {
>  	struct hfi_session_hdr_pkt shdr;
>  	u32 num_properties;
> -	u32 data[1];
> +	u32 data;
>  };
>  
>  struct hfi_session_release_buffer_pkt {
> 
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

Re: [PATCH v3 12/18] media: venus: Refactor struct hfi_session_get_property_pkt

[Vikash Garodia]

On 6/18/2024 5:35 PM, Vikash Garodia wrote:
> 
> On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
>> The struct hfi_session_get_property_pkt is always used to fectch a
fectch -> fetch

>> single property. Make that explicit in the code and avoid a single
>> element array at the end of the struct.
>>
>> This change fixes the following cocci warning:
>> drivers/media/platform/qcom/venus/hfi_cmds.h:194:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
>>
>> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
>> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
>> ---
>>  drivers/media/platform/qcom/venus/hfi_cmds.c | 4 ++--
>>  drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
>>  2 files changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c
>> index 3418d2dd9371..75f4a3d3e748 100644
>> --- a/drivers/media/platform/qcom/venus/hfi_cmds.c
>> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
>> @@ -402,7 +402,7 @@ static int pkt_session_get_property_1x(struct hfi_session_get_property_pkt *pkt,
>>  	pkt->shdr.hdr.pkt_type = HFI_CMD_SESSION_GET_PROPERTY;
>>  	pkt->shdr.session_id = hash32_ptr(cookie);
>>  	pkt->num_properties = 1;
>> -	pkt->data[0] = ptype;
>> +	pkt->data = ptype;
>>  
>>  	return 0;
>>  }
>> @@ -1110,7 +1110,7 @@ pkt_session_get_property_3xx(struct hfi_session_get_property_pkt *pkt,
>>  
>>  	switch (ptype) {
>>  	case HFI_PROPERTY_CONFIG_VDEC_ENTROPY:
>> -		pkt->data[0] = HFI_PROPERTY_CONFIG_VDEC_ENTROPY;
>> +		pkt->data = HFI_PROPERTY_CONFIG_VDEC_ENTROPY;
>>  		break;
>>  	default:
>>  		ret = pkt_session_get_property_1x(pkt, cookie, ptype);
>> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
>> index 6dff949c4402..f5708fdfb197 100644
>> --- a/drivers/media/platform/qcom/venus/hfi_cmds.h
>> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
>> @@ -191,7 +191,7 @@ struct hfi_session_resume_pkt {
>>  struct hfi_session_get_property_pkt {
>>  	struct hfi_session_hdr_pkt shdr;
>>  	u32 num_properties;
>> -	u32 data[1];
>> +	u32 data;
>>  };
>>  
>>  struct hfi_session_release_buffer_pkt {
>>
> Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

[PATCH v3 13/18] media: venus: Refactor struct hfi_uncompressed_format_supported

[Ricardo Ribalda]

plane_info is not a typical array, the data is not contiguous:
pinfo = (void *)pinfo + sizeof(*constr) * num_planes +
	2 * sizeof(u32);

Replace the single element array with a single element field.

This fixes the following cocci warning:
drivers/media/platform/qcom/venus/hfi_helper.h:1009:36-46: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/qcom/venus/hfi_helper.h | 2 +-
 drivers/media/platform/qcom/venus/hfi_parser.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
index eb0a4c64b7ef..dee439ea4d2e 100644
--- a/drivers/media/platform/qcom/venus/hfi_helper.h
+++ b/drivers/media/platform/qcom/venus/hfi_helper.h
@@ -1006,7 +1006,7 @@ struct hfi_uncompressed_plane_info {
 struct hfi_uncompressed_format_supported {
 	u32 buffer_type;
 	u32 format_entries;
-	struct hfi_uncompressed_plane_info plane_info[1];
+	struct hfi_uncompressed_plane_info plane_info;
 };
 
 struct hfi_uncompressed_plane_actual {
diff --git a/drivers/media/platform/qcom/venus/hfi_parser.c b/drivers/media/platform/qcom/venus/hfi_parser.c
index c43839539d4d..3df241dc3a11 100644
--- a/drivers/media/platform/qcom/venus/hfi_parser.c
+++ b/drivers/media/platform/qcom/venus/hfi_parser.c
@@ -157,7 +157,7 @@ static void
 parse_raw_formats(struct venus_core *core, u32 codecs, u32 domain, void *data)
 {
 	struct hfi_uncompressed_format_supported *fmt = data;
-	struct hfi_uncompressed_plane_info *pinfo = fmt->plane_info;
+	struct hfi_uncompressed_plane_info *pinfo = &fmt->plane_info;
 	struct hfi_uncompressed_plane_constraints *constr;
 	struct raw_formats rawfmts[MAX_FMT_ENTRIES] = {};
 	u32 entries = fmt->format_entries;

-- 
2.45.1.288.g0e0cd299f1-goog


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Re: [PATCH v3 13/18] media: venus: Refactor struct hfi_uncompressed_format_supported

[Vikash Garodia]

On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> plane_info is not a typical array, the data is not contiguous:
> pinfo = (void *)pinfo + sizeof(*constr) * num_planes +
> 	2 * sizeof(u32);
> 
> Replace the single element array with a single element field.
> 
> This fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_helper.h:1009:36-46: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_helper.h | 2 +-
>  drivers/media/platform/qcom/venus/hfi_parser.c | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
> index eb0a4c64b7ef..dee439ea4d2e 100644
> --- a/drivers/media/platform/qcom/venus/hfi_helper.h
> +++ b/drivers/media/platform/qcom/venus/hfi_helper.h
> @@ -1006,7 +1006,7 @@ struct hfi_uncompressed_plane_info {
>  struct hfi_uncompressed_format_supported {
>  	u32 buffer_type;
>  	u32 format_entries;
> -	struct hfi_uncompressed_plane_info plane_info[1];
> +	struct hfi_uncompressed_plane_info plane_info;
>  };
>  
>  struct hfi_uncompressed_plane_actual {
> diff --git a/drivers/media/platform/qcom/venus/hfi_parser.c b/drivers/media/platform/qcom/venus/hfi_parser.c
> index c43839539d4d..3df241dc3a11 100644
> --- a/drivers/media/platform/qcom/venus/hfi_parser.c
> +++ b/drivers/media/platform/qcom/venus/hfi_parser.c
> @@ -157,7 +157,7 @@ static void
>  parse_raw_formats(struct venus_core *core, u32 codecs, u32 domain, void *data)
>  {
>  	struct hfi_uncompressed_format_supported *fmt = data;
> -	struct hfi_uncompressed_plane_info *pinfo = fmt->plane_info;
> +	struct hfi_uncompressed_plane_info *pinfo = &fmt->plane_info;
>  	struct hfi_uncompressed_plane_constraints *constr;
>  	struct raw_formats rawfmts[MAX_FMT_ENTRIES] = {};
>  	u32 entries = fmt->format_entries;
> 
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

[PATCH v3 14/18] media: venus: Refactor hfi_session_empty_buffer_uncompressed_plane0_pkt

[Ricardo Ribalda]

The single element array data[1] is never used. Replace it whit a
padding field of the same size.

This fixes the following cocci error:
drivers/media/platform/qcom/venus/hfi_cmds.h:163:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
index f5708fdfb197..8768ee052adc 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.h
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
@@ -160,7 +160,7 @@ struct hfi_session_empty_buffer_uncompressed_plane0_pkt {
 	u32 input_tag;
 	u32 packet_buffer;
 	u32 extradata_buffer;
-	u32 data[1];
+	u32 data;
 };
 
 struct hfi_session_fill_buffer_pkt {

-- 
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Re: [PATCH v3 14/18] media: venus: Refactor hfi_session_empty_buffer_uncompressed_plane0_pkt

[Vikash Garodia]

On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> The single element array data[1] is never used. Replace it whit a
whit -> with

> padding field of the same size.
> 
> This fixes the following cocci error:
> drivers/media/platform/qcom/venus/hfi_cmds.h:163:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
> index f5708fdfb197..8768ee052adc 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.h
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
> @@ -160,7 +160,7 @@ struct hfi_session_empty_buffer_uncompressed_plane0_pkt {
>  	u32 input_tag;
>  	u32 packet_buffer;
>  	u32 extradata_buffer;
> -	u32 data[1];
> +	u32 data;
>  };
>  
>  struct hfi_session_fill_buffer_pkt {
> 
With typo fixed,
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

[PATCH v3 15/18] media: venus: Refactor hfi_session_empty_buffer_compressed_pkt

[Ricardo Ribalda]

The single element array data[1] is never used. Replace it with a
padding field of the same size.

This fixes the following cocci warning:
drivers/media/platform/qcom/venus/hfi_cmds.h:146:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
---
 drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
index 8768ee052adc..2c56ae303989 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.h
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
@@ -143,7 +143,7 @@ struct hfi_session_empty_buffer_compressed_pkt {
 	u32 input_tag;
 	u32 packet_buffer;
 	u32 extradata_buffer;
-	u32 data[1];
+	u32 data;
 };
 
 struct hfi_session_empty_buffer_uncompressed_plane0_pkt {

-- 
2.45.1.288.g0e0cd299f1-goog


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Re: [PATCH v3 15/18] media: venus: Refactor hfi_session_empty_buffer_compressed_pkt

[Vikash Garodia]

On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> The single element array data[1] is never used. Replace it with a
> padding field of the same size.
> 
> This fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_cmds.h:146:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
> index 8768ee052adc..2c56ae303989 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.h
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
> @@ -143,7 +143,7 @@ struct hfi_session_empty_buffer_compressed_pkt {
>  	u32 input_tag;
>  	u32 packet_buffer;
>  	u32 extradata_buffer;
> -	u32 data[1];
> +	u32 data;
>  };
>  
>  struct hfi_session_empty_buffer_uncompressed_plane0_pkt {
> 
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

[PATCH v3 16/18] media: venus: Refactor hfi_sys_get_property_pkt

[Ricardo Ribalda]

Replace a single length element array with an element.

This fixes the following cocci warning:
drivers/media/platform/qcom/venus/hfi_cmds.h:77:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/qcom/venus/hfi_cmds.c | 2 +-
 drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c
index 75f4a3d3e748..0a4de8ca1df5 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.c
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
@@ -156,7 +156,7 @@ void pkt_sys_image_version(struct hfi_sys_get_property_pkt *pkt)
 	pkt->hdr.size = sizeof(*pkt);
 	pkt->hdr.pkt_type = HFI_CMD_SYS_GET_PROPERTY;
 	pkt->num_properties = 1;
-	pkt->data[0] = HFI_PROPERTY_SYS_IMAGE_VERSION;
+	pkt->data = HFI_PROPERTY_SYS_IMAGE_VERSION;
 }
 
 int pkt_session_init(struct hfi_session_init_pkt *pkt, void *cookie,
diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
index 2c56ae303989..f91bc9087643 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.h
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
@@ -74,7 +74,7 @@ struct hfi_sys_set_property_pkt {
 struct hfi_sys_get_property_pkt {
 	struct hfi_pkt_hdr hdr;
 	u32 num_properties;
-	u32 data[1];
+	u32 data;
 };
 
 struct hfi_sys_ping_pkt {

-- 
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Re: [PATCH v3 16/18] media: venus: Refactor hfi_sys_get_property_pkt

[Vikash Garodia]

On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> Replace a single length element array with an element.
> 
> This fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_cmds.h:77:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_cmds.c | 2 +-
>  drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c
> index 75f4a3d3e748..0a4de8ca1df5 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.c
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
> @@ -156,7 +156,7 @@ void pkt_sys_image_version(struct hfi_sys_get_property_pkt *pkt)
>  	pkt->hdr.size = sizeof(*pkt);
>  	pkt->hdr.pkt_type = HFI_CMD_SYS_GET_PROPERTY;
>  	pkt->num_properties = 1;
> -	pkt->data[0] = HFI_PROPERTY_SYS_IMAGE_VERSION;
> +	pkt->data = HFI_PROPERTY_SYS_IMAGE_VERSION;
>  }
>  
>  int pkt_session_init(struct hfi_session_init_pkt *pkt, void *cookie,
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
> index 2c56ae303989..f91bc9087643 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.h
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
> @@ -74,7 +74,7 @@ struct hfi_sys_set_property_pkt {
>  struct hfi_sys_get_property_pkt {
>  	struct hfi_pkt_hdr hdr;
>  	u32 num_properties;
> -	u32 data[1];
> +	u32 data;
>  };
>  
>  struct hfi_sys_ping_pkt {
> 
>
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

[PATCH v3 17/18] media: venus: Refactor hfi_session_fill_buffer_pkt

[Ricardo Ribalda]

The single data array data[1] is only used to save the extradata_size.
Replace it with a single element field.

This fixes the following cocci warning:
drivers/media/platform/qcom/venus/hfi_cmds.h:175:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/qcom/venus/hfi_cmds.c | 2 +-
 drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c
index 0a4de8ca1df5..3ae063094e3e 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.c
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
@@ -331,7 +331,7 @@ int pkt_session_ftb(struct hfi_session_fill_buffer_pkt *pkt, void *cookie,
 	pkt->alloc_len = out_frame->alloc_len;
 	pkt->filled_len = out_frame->filled_len;
 	pkt->offset = out_frame->offset;
-	pkt->data[0] = out_frame->extradata_size;
+	pkt->data = out_frame->extradata_size;
 
 	return 0;
 }
diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
index f91bc9087643..daba45720ddc 100644
--- a/drivers/media/platform/qcom/venus/hfi_cmds.h
+++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
@@ -172,7 +172,7 @@ struct hfi_session_fill_buffer_pkt {
 	u32 output_tag;
 	u32 packet_buffer;
 	u32 extradata_buffer;
-	u32 data[1];
+	u32 data;
 };
 
 struct hfi_session_flush_pkt {

-- 
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Re: [PATCH v3 17/18] media: venus: Refactor hfi_session_fill_buffer_pkt

[Vikash Garodia]

On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> The single data array data[1] is only used to save the extradata_size.
> Replace it with a single element field.
> 
> This fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_cmds.h:175:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_cmds.c | 2 +-
>  drivers/media/platform/qcom/venus/hfi_cmds.h | 2 +-
>  2 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.c b/drivers/media/platform/qcom/venus/hfi_cmds.c
> index 0a4de8ca1df5..3ae063094e3e 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.c
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.c
> @@ -331,7 +331,7 @@ int pkt_session_ftb(struct hfi_session_fill_buffer_pkt *pkt, void *cookie,
>  	pkt->alloc_len = out_frame->alloc_len;
>  	pkt->filled_len = out_frame->filled_len;
>  	pkt->offset = out_frame->offset;
> -	pkt->data[0] = out_frame->extradata_size;
> +	pkt->data = out_frame->extradata_size;
>  
>  	return 0;
>  }
> diff --git a/drivers/media/platform/qcom/venus/hfi_cmds.h b/drivers/media/platform/qcom/venus/hfi_cmds.h
> index f91bc9087643..daba45720ddc 100644
> --- a/drivers/media/platform/qcom/venus/hfi_cmds.h
> +++ b/drivers/media/platform/qcom/venus/hfi_cmds.h
> @@ -172,7 +172,7 @@ struct hfi_session_fill_buffer_pkt {
>  	u32 output_tag;
>  	u32 packet_buffer;
>  	u32 extradata_buffer;
> -	u32 data[1];
> +	u32 data;
>  };
>  
>  struct hfi_session_flush_pkt {
> 
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

[PATCH v3 18/18] media: venus: Refactor hfi_buffer_alloc_mode_supported

[Ricardo Ribalda]

Replace the old style single element array at the end of the struct with
a flex array.

The code does not allocate this structure, so the size change should not
be a problem.

This fixes the following cocci warning:
drivers/media/platform/qcom/venus/hfi_helper.h:1233:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)

Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
---
 drivers/media/platform/qcom/venus/hfi_helper.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
index dee439ea4d2e..9545c964a428 100644
--- a/drivers/media/platform/qcom/venus/hfi_helper.h
+++ b/drivers/media/platform/qcom/venus/hfi_helper.h
@@ -1230,7 +1230,7 @@ struct hfi_interlace_format_supported {
 struct hfi_buffer_alloc_mode_supported {
 	u32 buffer_type;
 	u32 num_entries;
-	u32 data[1];
+	u32 data[];
 };
 
 struct hfi_metadata_pass_through {

-- 
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Re: [PATCH v3 18/18] media: venus: Refactor hfi_buffer_alloc_mode_supported

[Vikash Garodia]

On 5/28/2024 2:39 AM, Ricardo Ribalda wrote:
> Replace the old style single element array at the end of the struct with
> a flex array.
> 
> The code does not allocate this structure, so the size change should not
> be a problem.
> 
> This fixes the following cocci warning:
> drivers/media/platform/qcom/venus/hfi_helper.h:1233:5-9: WARNING use flexible-array member instead (https://www.kernel.org/doc/html/latest/process/deprecated.html#zero-length-and-one-element-arrays)
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
>  drivers/media/platform/qcom/venus/hfi_helper.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/qcom/venus/hfi_helper.h b/drivers/media/platform/qcom/venus/hfi_helper.h
> index dee439ea4d2e..9545c964a428 100644
> --- a/drivers/media/platform/qcom/venus/hfi_helper.h
> +++ b/drivers/media/platform/qcom/venus/hfi_helper.h
> @@ -1230,7 +1230,7 @@ struct hfi_interlace_format_supported {
>  struct hfi_buffer_alloc_mode_supported {
>  	u32 buffer_type;
>  	u32 num_entries;
> -	u32 data[1];
> +	u32 data[];
>  };
>  
>  struct hfi_metadata_pass_through {
> 
Acked-by: Vikash Garodia <quic_vgarodia@quicinc.com>

Re: [PATCH v3 00/18] media: Fix the last set of coccinelle warnings

[Vikash Garodia]

Hi Ricardo,

On 5/28/2024 2:38 AM, Ricardo Ribalda wrote:
> With this set we are done with all the cocci warning/errors.
> 
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> ---
> Changes in v3:
> - Do not rename structure fields. (Thanks Bryan)
> - Link to v2: https://lore.kernel.org/r/20240507-cocci-flexarray-v2-0-7aea262cf065@chromium.org
> 
> Changes in v2:
> - allegro: Replace hard coded 1 with a define. (Thanks Michael)
> - Link to v1: https://lore.kernel.org/r/20240507-cocci-flexarray-v1-0-4a421c21fd06@chromium.org
> 
> ---
> Ricardo Ribalda (18):
>       media: allegro: nal-hevc: Replace array[1] with arrray[N]
>       media: xilinx: Refactor struct xvip_dma
>       media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE_T
>       media: dvb-frontend/mxl5xx: Use flex array for MBIN_SEGMENT_T
>       media: pci: cx18: Use flex arrays for struct cx18_scb
>       media: siano: Refactor struct sms_msg_data
>       media: siano: Remove unused structures
>       media: siano: Use flex arrays for sms_firmware
>       media: venus: Remove unused structs
>       media: venus: Use flex array for hfi_session_release_buffer_pkt
>       media: venus: Refactor struct hfi_uncompressed_plane_info
>       media: venus: Refactor struct hfi_session_get_property_pkt
>       media: venus: Refactor struct hfi_uncompressed_format_supported
>       media: venus: Refactor hfi_session_empty_buffer_uncompressed_plane0_pkt
>       media: venus: Refactor hfi_session_empty_buffer_compressed_pkt
>       media: venus: Refactor hfi_sys_get_property_pkt
>       media: venus: Refactor hfi_session_fill_buffer_pkt
>       media: venus: Refactor hfi_buffer_alloc_mode_supported
> 
>  drivers/media/common/siano/smscoreapi.c        | 10 +++---
>  drivers/media/common/siano/smscoreapi.h        | 18 ++---------
>  drivers/media/common/siano/smsdvb-main.c       |  4 +--
>  drivers/media/common/siano/smsendian.c         |  8 +++--
>  drivers/media/dvb-frontends/mxl5xx.c           |  2 +-
>  drivers/media/dvb-frontends/mxl5xx_defs.h      |  4 +--
>  drivers/media/pci/cx18/cx18-scb.h              |  2 +-
>  drivers/media/platform/allegro-dvt/nal-hevc.h  |  7 ++--
>  drivers/media/platform/qcom/venus/hfi_cmds.c   |  8 ++---
>  drivers/media/platform/qcom/venus/hfi_cmds.h   | 38 ++++------------------
>  drivers/media/platform/qcom/venus/hfi_helper.h | 45 ++------------------------
>  drivers/media/platform/qcom/venus/hfi_parser.c |  2 +-
>  drivers/media/platform/xilinx/xilinx-dma.c     |  4 +--
>  drivers/media/platform/xilinx/xilinx-dma.h     |  2 +-
>  14 files changed, 39 insertions(+), 115 deletions(-)
> ---
> base-commit: 48259b90973718d2277db27b5e510f0fe957eaa0
> change-id: 20240507-cocci-flexarray-9a807a8e108e
> 
> Best regards,

Could you also mention if you have run any video usecase on any of the boards
with these changes ?

Regards,
Vikash

Re: [PATCH v3 00/18] media: Fix the last set of coccinelle warnings

[Ricardo Ribalda]

Hi Vikash

On Tue, 18 Jun 2024 at 14:34, Vikash Garodia <quic_vgarodia@quicinc.com> wrote:
>
> Hi Ricardo,
>
> On 5/28/2024 2:38 AM, Ricardo Ribalda wrote:
> > With this set we are done with all the cocci warning/errors.
> >
> > Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
> > ---
> > Changes in v3:
> > - Do not rename structure fields. (Thanks Bryan)
> > - Link to v2: https://lore.kernel.org/r/20240507-cocci-flexarray-v2-0-7aea262cf065@chromium.org
> >
> > Changes in v2:
> > - allegro: Replace hard coded 1 with a define. (Thanks Michael)
> > - Link to v1: https://lore.kernel.org/r/20240507-cocci-flexarray-v1-0-4a421c21fd06@chromium.org
> >
> > ---
> > Ricardo Ribalda (18):
> >       media: allegro: nal-hevc: Replace array[1] with arrray[N]
> >       media: xilinx: Refactor struct xvip_dma
> >       media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE_T
> >       media: dvb-frontend/mxl5xx: Use flex array for MBIN_SEGMENT_T
> >       media: pci: cx18: Use flex arrays for struct cx18_scb
> >       media: siano: Refactor struct sms_msg_data
> >       media: siano: Remove unused structures
> >       media: siano: Use flex arrays for sms_firmware
> >       media: venus: Remove unused structs
> >       media: venus: Use flex array for hfi_session_release_buffer_pkt
> >       media: venus: Refactor struct hfi_uncompressed_plane_info
> >       media: venus: Refactor struct hfi_session_get_property_pkt
> >       media: venus: Refactor struct hfi_uncompressed_format_supported
> >       media: venus: Refactor hfi_session_empty_buffer_uncompressed_plane0_pkt
> >       media: venus: Refactor hfi_session_empty_buffer_compressed_pkt
> >       media: venus: Refactor hfi_sys_get_property_pkt
> >       media: venus: Refactor hfi_session_fill_buffer_pkt
> >       media: venus: Refactor hfi_buffer_alloc_mode_supported
> >
> >  drivers/media/common/siano/smscoreapi.c        | 10 +++---
> >  drivers/media/common/siano/smscoreapi.h        | 18 ++---------
> >  drivers/media/common/siano/smsdvb-main.c       |  4 +--
> >  drivers/media/common/siano/smsendian.c         |  8 +++--
> >  drivers/media/dvb-frontends/mxl5xx.c           |  2 +-
> >  drivers/media/dvb-frontends/mxl5xx_defs.h      |  4 +--
> >  drivers/media/pci/cx18/cx18-scb.h              |  2 +-
> >  drivers/media/platform/allegro-dvt/nal-hevc.h  |  7 ++--
> >  drivers/media/platform/qcom/venus/hfi_cmds.c   |  8 ++---
> >  drivers/media/platform/qcom/venus/hfi_cmds.h   | 38 ++++------------------
> >  drivers/media/platform/qcom/venus/hfi_helper.h | 45 ++------------------------
> >  drivers/media/platform/qcom/venus/hfi_parser.c |  2 +-
> >  drivers/media/platform/xilinx/xilinx-dma.c     |  4 +--
> >  drivers/media/platform/xilinx/xilinx-dma.h     |  2 +-
> >  14 files changed, 39 insertions(+), 115 deletions(-)
> > ---
> > base-commit: 48259b90973718d2277db27b5e510f0fe957eaa0
> > change-id: 20240507-cocci-flexarray-9a807a8e108e
> >
> > Best regards,
>
> Could you also mention if you have run any video usecase on any of the boards
> with these changes ?

I have only compile tested this series. If you have access to any of
the hardware it would be great if you could test it out :)

Regards!

>
> Regards,
> Vikash



-- 
Ricardo Ribalda

Re: [PATCH v3 00/18] media: Fix the last set of coccinelle warnings

[Vikash Garodia]

Hi Ricardo,

On 6/18/2024 6:06 PM, Ricardo Ribalda wrote:
> Hi Vikash
> 
> On Tue, 18 Jun 2024 at 14:34, Vikash Garodia <quic_vgarodia@quicinc.com> wrote:
>>
>> Hi Ricardo,
>>
>> On 5/28/2024 2:38 AM, Ricardo Ribalda wrote:
>>> With this set we are done with all the cocci warning/errors.
>>>
>>> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
>>> ---
>>> Changes in v3:
>>> - Do not rename structure fields. (Thanks Bryan)
>>> - Link to v2: https://lore.kernel.org/r/20240507-cocci-flexarray-v2-0-7aea262cf065@chromium.org
>>>
>>> Changes in v2:
>>> - allegro: Replace hard coded 1 with a define. (Thanks Michael)
>>> - Link to v1: https://lore.kernel.org/r/20240507-cocci-flexarray-v1-0-4a421c21fd06@chromium.org
>>>
>>> ---
>>> Ricardo Ribalda (18):
>>>       media: allegro: nal-hevc: Replace array[1] with arrray[N]
>>>       media: xilinx: Refactor struct xvip_dma
>>>       media: dvb-frontend/mxl5xx: Refactor struct MBIN_FILE_T
>>>       media: dvb-frontend/mxl5xx: Use flex array for MBIN_SEGMENT_T
>>>       media: pci: cx18: Use flex arrays for struct cx18_scb
>>>       media: siano: Refactor struct sms_msg_data
>>>       media: siano: Remove unused structures
>>>       media: siano: Use flex arrays for sms_firmware
>>>       media: venus: Remove unused structs
>>>       media: venus: Use flex array for hfi_session_release_buffer_pkt
>>>       media: venus: Refactor struct hfi_uncompressed_plane_info
>>>       media: venus: Refactor struct hfi_session_get_property_pkt
>>>       media: venus: Refactor struct hfi_uncompressed_format_supported
>>>       media: venus: Refactor hfi_session_empty_buffer_uncompressed_plane0_pkt
>>>       media: venus: Refactor hfi_session_empty_buffer_compressed_pkt
>>>       media: venus: Refactor hfi_sys_get_property_pkt
>>>       media: venus: Refactor hfi_session_fill_buffer_pkt
>>>       media: venus: Refactor hfi_buffer_alloc_mode_supported
>>>
>>>  drivers/media/common/siano/smscoreapi.c        | 10 +++---
>>>  drivers/media/common/siano/smscoreapi.h        | 18 ++---------
>>>  drivers/media/common/siano/smsdvb-main.c       |  4 +--
>>>  drivers/media/common/siano/smsendian.c         |  8 +++--
>>>  drivers/media/dvb-frontends/mxl5xx.c           |  2 +-
>>>  drivers/media/dvb-frontends/mxl5xx_defs.h      |  4 +--
>>>  drivers/media/pci/cx18/cx18-scb.h              |  2 +-
>>>  drivers/media/platform/allegro-dvt/nal-hevc.h  |  7 ++--
>>>  drivers/media/platform/qcom/venus/hfi_cmds.c   |  8 ++---
>>>  drivers/media/platform/qcom/venus/hfi_cmds.h   | 38 ++++------------------
>>>  drivers/media/platform/qcom/venus/hfi_helper.h | 45 ++------------------------
>>>  drivers/media/platform/qcom/venus/hfi_parser.c |  2 +-
>>>  drivers/media/platform/xilinx/xilinx-dma.c     |  4 +--
>>>  drivers/media/platform/xilinx/xilinx-dma.h     |  2 +-
>>>  14 files changed, 39 insertions(+), 115 deletions(-)
>>> ---
>>> base-commit: 48259b90973718d2277db27b5e510f0fe957eaa0
>>> change-id: 20240507-cocci-flexarray-9a807a8e108e
>>>
>>> Best regards,
>>
>> Could you also mention if you have run any video usecase on any of the boards
>> with these changes ?
> 
> I have only compile tested this series. If you have access to any of
> the hardware it would be great if you could test it out :)
I have tested the series on RB5 as well as SC7180 board and looks good. I was
looking for one round of validation on db410c (having issues with my db410c setup).

Regards,
Vikash
> 
> Regards!
> 
>>
>> Regards,
>> Vikash
> 
> 
>