* FAILED: patch "[PATCH] media: cx18: Add missing check after DMA map" failed to apply to 5.15-stable tree
@ 2025-10-16 8:59 gregkh
2025-10-17 13:00 ` [PATCH 5.15.y 1/2] media: switch from 'pci_' to 'dma_' API Sasha Levin
0 siblings, 1 reply; 3+ messages in thread
From: gregkh @ 2025-10-16 8:59 UTC (permalink / raw)
To: fourier.thomas, hverkuil+cisco; +Cc: stable
The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y
git checkout FETCH_HEAD
git cherry-pick -x 23b53639a793477326fd57ed103823a8ab63084f
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2025101641-clutter-scruffy-a000@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 23b53639a793477326fd57ed103823a8ab63084f Mon Sep 17 00:00:00 2001
From: Thomas Fourier <fourier.thomas@gmail.com>
Date: Wed, 9 Jul 2025 13:35:40 +0200
Subject: [PATCH] media: cx18: Add missing check after DMA map
The DMA map functions can fail and should be tested for errors.
If the mapping fails, dealloc buffers, and return.
Fixes: 1c1e45d17b66 ("V4L/DVB (7786): cx18: new driver for the Conexant CX23418 MPEG encoder chip")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
diff --git a/drivers/media/pci/cx18/cx18-queue.c b/drivers/media/pci/cx18/cx18-queue.c
index 013694bfcb1c..7cbb2d586932 100644
--- a/drivers/media/pci/cx18/cx18-queue.c
+++ b/drivers/media/pci/cx18/cx18-queue.c
@@ -379,15 +379,22 @@ int cx18_stream_alloc(struct cx18_stream *s)
break;
}
+ buf->dma_handle = dma_map_single(&s->cx->pci_dev->dev,
+ buf->buf, s->buf_size,
+ s->dma);
+ if (dma_mapping_error(&s->cx->pci_dev->dev, buf->dma_handle)) {
+ kfree(buf->buf);
+ kfree(mdl);
+ kfree(buf);
+ break;
+ }
+
INIT_LIST_HEAD(&mdl->list);
INIT_LIST_HEAD(&mdl->buf_list);
mdl->id = s->mdl_base_idx; /* a somewhat safe value */
cx18_enqueue(s, mdl, &s->q_idle);
INIT_LIST_HEAD(&buf->list);
- buf->dma_handle = dma_map_single(&s->cx->pci_dev->dev,
- buf->buf, s->buf_size,
- s->dma);
cx18_buf_sync_for_cpu(s, buf);
list_add_tail(&buf->list, &s->buf_pool);
}
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 5.15.y 1/2] media: switch from 'pci_' to 'dma_' API
2025-10-16 8:59 FAILED: patch "[PATCH] media: cx18: Add missing check after DMA map" failed to apply to 5.15-stable tree gregkh
@ 2025-10-17 13:00 ` Sasha Levin
2025-10-17 13:00 ` [PATCH 5.15.y 2/2] media: cx18: Add missing check after DMA map Sasha Levin
0 siblings, 1 reply; 3+ messages in thread
From: Sasha Levin @ 2025-10-17 13:00 UTC (permalink / raw)
To: stable
Cc: Christophe JAILLET, Sakari Ailus, Akihiro Tsukada, Hans Verkuil,
Mauro Carvalho Chehab, Sasha Levin
From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
[ Upstream commit 887069f424550ebdcb411166733e1d05002b58e4 ]
The wrappers in include/linux/pci-dma-compat.h should go away.
The patch has been generated with the coccinelle script below.
It has been compile tested.
@@
@@
- PCI_DMA_BIDIRECTIONAL
+ DMA_BIDIRECTIONAL
@@
@@
- PCI_DMA_TODEVICE
+ DMA_TO_DEVICE
@@
@@
- PCI_DMA_FROMDEVICE
+ DMA_FROM_DEVICE
@@
@@
- PCI_DMA_NONE
+ DMA_NONE
@@
expression e1, e2, e3;
@@
- pci_alloc_consistent(e1, e2, e3)
+ dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
@@
expression e1, e2, e3;
@@
- pci_zalloc_consistent(e1, e2, e3)
+ dma_alloc_coherent(&e1->dev, e2, e3, GFP_)
@@
expression e1, e2, e3, e4;
@@
- pci_free_consistent(e1, e2, e3, e4)
+ dma_free_coherent(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_map_single(e1, e2, e3, e4)
+ dma_map_single(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_unmap_single(e1, e2, e3, e4)
+ dma_unmap_single(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4, e5;
@@
- pci_map_page(e1, e2, e3, e4, e5)
+ dma_map_page(&e1->dev, e2, e3, e4, e5)
@@
expression e1, e2, e3, e4;
@@
- pci_unmap_page(e1, e2, e3, e4)
+ dma_unmap_page(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_map_sg(e1, e2, e3, e4)
+ dma_map_sg(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_unmap_sg(e1, e2, e3, e4)
+ dma_unmap_sg(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_single_for_cpu(e1, e2, e3, e4)
+ dma_sync_single_for_cpu(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_single_for_device(e1, e2, e3, e4)
+ dma_sync_single_for_device(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_sg_for_cpu(e1, e2, e3, e4)
+ dma_sync_sg_for_cpu(&e1->dev, e2, e3, e4)
@@
expression e1, e2, e3, e4;
@@
- pci_dma_sync_sg_for_device(e1, e2, e3, e4)
+ dma_sync_sg_for_device(&e1->dev, e2, e3, e4)
@@
expression e1, e2;
@@
- pci_dma_mapping_error(e1, e2)
+ dma_mapping_error(&e1->dev, e2)
@@
expression e1, e2;
@@
- pci_set_dma_mask(e1, e2)
+ dma_set_mask(&e1->dev, e2)
@@
expression e1, e2;
@@
- pci_set_consistent_dma_mask(e1, e2)
+ dma_set_coherent_mask(&e1->dev, e2)
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Tested-by: Akihiro Tsukada <tskd08@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Stable-dep-of: 23b53639a793 ("media: cx18: Add missing check after DMA map")
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/media/pci/cobalt/cobalt-driver.c | 4 ++--
drivers/media/pci/cx18/cx18-driver.c | 2 +-
drivers/media/pci/cx18/cx18-queue.c | 13 ++++++------
drivers/media/pci/cx18/cx18-streams.c | 16 +++++++--------
drivers/media/pci/ddbridge/ddbridge-main.c | 4 ++--
drivers/media/pci/intel/ipu3/ipu3-cio2-main.c | 2 +-
.../pci/netup_unidvb/netup_unidvb_core.c | 2 +-
drivers/media/pci/pluto2/pluto2.c | 20 +++++++++----------
drivers/media/pci/pt1/pt1.c | 2 +-
drivers/media/pci/tw5864/tw5864-core.c | 2 +-
10 files changed, 34 insertions(+), 33 deletions(-)
diff --git a/drivers/media/pci/cobalt/cobalt-driver.c b/drivers/media/pci/cobalt/cobalt-driver.c
index f9cee061517bd..6e1a0614e6d06 100644
--- a/drivers/media/pci/cobalt/cobalt-driver.c
+++ b/drivers/media/pci/cobalt/cobalt-driver.c
@@ -333,8 +333,8 @@ static int cobalt_setup_pci(struct cobalt *cobalt, struct pci_dev *pci_dev,
}
}
- if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(64))) {
- ret = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
+ if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(64))) {
+ ret = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32));
if (ret) {
cobalt_err("no suitable DMA available\n");
goto err_disable;
diff --git a/drivers/media/pci/cx18/cx18-driver.c b/drivers/media/pci/cx18/cx18-driver.c
index f2440eb38820b..59497ba6bf1f1 100644
--- a/drivers/media/pci/cx18/cx18-driver.c
+++ b/drivers/media/pci/cx18/cx18-driver.c
@@ -804,7 +804,7 @@ static int cx18_setup_pci(struct cx18 *cx, struct pci_dev *pci_dev,
CX18_ERR("Can't enable device %d!\n", cx->instance);
return -EIO;
}
- if (pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32))) {
+ if (dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32))) {
CX18_ERR("No suitable DMA available, card %d\n", cx->instance);
return -EIO;
}
diff --git a/drivers/media/pci/cx18/cx18-queue.c b/drivers/media/pci/cx18/cx18-queue.c
index 2f5df471dada6..013694bfcb1c1 100644
--- a/drivers/media/pci/cx18/cx18-queue.c
+++ b/drivers/media/pci/cx18/cx18-queue.c
@@ -325,8 +325,8 @@ void _cx18_mdl_sync_for_device(struct cx18_stream *s, struct cx18_mdl *mdl)
struct cx18_buffer *buf;
list_for_each_entry(buf, &mdl->buf_list, list)
- pci_dma_sync_single_for_device(pci_dev, buf->dma_handle,
- buf_size, dma);
+ dma_sync_single_for_device(&pci_dev->dev, buf->dma_handle,
+ buf_size, dma);
}
int cx18_stream_alloc(struct cx18_stream *s)
@@ -385,8 +385,9 @@ int cx18_stream_alloc(struct cx18_stream *s)
cx18_enqueue(s, mdl, &s->q_idle);
INIT_LIST_HEAD(&buf->list);
- buf->dma_handle = pci_map_single(s->cx->pci_dev,
- buf->buf, s->buf_size, s->dma);
+ buf->dma_handle = dma_map_single(&s->cx->pci_dev->dev,
+ buf->buf, s->buf_size,
+ s->dma);
cx18_buf_sync_for_cpu(s, buf);
list_add_tail(&buf->list, &s->buf_pool);
}
@@ -419,8 +420,8 @@ void cx18_stream_free(struct cx18_stream *s)
buf = list_first_entry(&s->buf_pool, struct cx18_buffer, list);
list_del_init(&buf->list);
- pci_unmap_single(s->cx->pci_dev, buf->dma_handle,
- s->buf_size, s->dma);
+ dma_unmap_single(&s->cx->pci_dev->dev, buf->dma_handle,
+ s->buf_size, s->dma);
kfree(buf->buf);
kfree(buf);
}
diff --git a/drivers/media/pci/cx18/cx18-streams.c b/drivers/media/pci/cx18/cx18-streams.c
index c41bae118415d..8537bcae524f3 100644
--- a/drivers/media/pci/cx18/cx18-streams.c
+++ b/drivers/media/pci/cx18/cx18-streams.c
@@ -49,44 +49,44 @@ static struct {
{ /* CX18_ENC_STREAM_TYPE_MPG */
"encoder MPEG",
VFL_TYPE_VIDEO, 0,
- PCI_DMA_FROMDEVICE,
+ DMA_FROM_DEVICE,
V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
V4L2_CAP_AUDIO | V4L2_CAP_TUNER
},
{ /* CX18_ENC_STREAM_TYPE_TS */
"TS",
VFL_TYPE_VIDEO, -1,
- PCI_DMA_FROMDEVICE,
+ DMA_FROM_DEVICE,
},
{ /* CX18_ENC_STREAM_TYPE_YUV */
"encoder YUV",
VFL_TYPE_VIDEO, CX18_V4L2_ENC_YUV_OFFSET,
- PCI_DMA_FROMDEVICE,
+ DMA_FROM_DEVICE,
V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE |
V4L2_CAP_STREAMING | V4L2_CAP_AUDIO | V4L2_CAP_TUNER
},
{ /* CX18_ENC_STREAM_TYPE_VBI */
"encoder VBI",
VFL_TYPE_VBI, 0,
- PCI_DMA_FROMDEVICE,
+ DMA_FROM_DEVICE,
V4L2_CAP_VBI_CAPTURE | V4L2_CAP_SLICED_VBI_CAPTURE |
V4L2_CAP_READWRITE | V4L2_CAP_TUNER
},
{ /* CX18_ENC_STREAM_TYPE_PCM */
"encoder PCM audio",
VFL_TYPE_VIDEO, CX18_V4L2_ENC_PCM_OFFSET,
- PCI_DMA_FROMDEVICE,
+ DMA_FROM_DEVICE,
V4L2_CAP_TUNER | V4L2_CAP_AUDIO | V4L2_CAP_READWRITE,
},
{ /* CX18_ENC_STREAM_TYPE_IDX */
"encoder IDX",
VFL_TYPE_VIDEO, -1,
- PCI_DMA_FROMDEVICE,
+ DMA_FROM_DEVICE,
},
{ /* CX18_ENC_STREAM_TYPE_RAD */
"encoder radio",
VFL_TYPE_RADIO, 0,
- PCI_DMA_NONE,
+ DMA_NONE,
V4L2_CAP_RADIO | V4L2_CAP_TUNER
},
};
@@ -324,7 +324,7 @@ static int cx18_prep_dev(struct cx18 *cx, int type)
/* User explicitly selected 0 buffers for these streams, so don't
create them. */
- if (cx18_stream_info[type].dma != PCI_DMA_NONE &&
+ if (cx18_stream_info[type].dma != DMA_NONE &&
cx->stream_buffers[type] == 0) {
CX18_INFO("Disabled %s device\n", cx18_stream_info[type].name);
return 0;
diff --git a/drivers/media/pci/ddbridge/ddbridge-main.c b/drivers/media/pci/ddbridge/ddbridge-main.c
index bb7fb6402d6e5..5d9f861b9edee 100644
--- a/drivers/media/pci/ddbridge/ddbridge-main.c
+++ b/drivers/media/pci/ddbridge/ddbridge-main.c
@@ -180,8 +180,8 @@ static int ddb_probe(struct pci_dev *pdev,
pci_set_master(pdev);
- if (pci_set_dma_mask(pdev, DMA_BIT_MASK(64)))
- if (pci_set_dma_mask(pdev, DMA_BIT_MASK(32)))
+ if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)))
+ if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)))
return -ENODEV;
dev = vzalloc(sizeof(*dev));
diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
index dfb2be0b9625a..5a8778030d193 100644
--- a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
+++ b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c
@@ -1760,7 +1760,7 @@ static int cio2_pci_probe(struct pci_dev *pci_dev,
pci_set_master(pci_dev);
- r = pci_set_dma_mask(pci_dev, CIO2_DMA_MASK);
+ r = dma_set_mask(&pci_dev->dev, CIO2_DMA_MASK);
if (r) {
dev_err(dev, "failed to set DMA mask (%d)\n", r);
return -ENODEV;
diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
index 7c5061953ee82..d85bfbb77a250 100644
--- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
+++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c
@@ -846,7 +846,7 @@ static int netup_unidvb_initdev(struct pci_dev *pci_dev,
"%s(): board vendor 0x%x, revision 0x%x\n",
__func__, board_vendor, board_revision);
pci_set_master(pci_dev);
- if (pci_set_dma_mask(pci_dev, 0xffffffff) < 0) {
+ if (dma_set_mask(&pci_dev->dev, 0xffffffff) < 0) {
dev_err(&pci_dev->dev,
"%s(): 32bit PCI DMA is not supported\n", __func__);
goto pci_detect_err;
diff --git a/drivers/media/pci/pluto2/pluto2.c b/drivers/media/pci/pluto2/pluto2.c
index f1f4793a4452d..6ac9b9bd7435a 100644
--- a/drivers/media/pci/pluto2/pluto2.c
+++ b/drivers/media/pci/pluto2/pluto2.c
@@ -228,16 +228,16 @@ static void pluto_set_dma_addr(struct pluto *pluto)
static int pluto_dma_map(struct pluto *pluto)
{
- pluto->dma_addr = pci_map_single(pluto->pdev, pluto->dma_buf,
- TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
+ pluto->dma_addr = dma_map_single(&pluto->pdev->dev, pluto->dma_buf,
+ TS_DMA_BYTES, DMA_FROM_DEVICE);
- return pci_dma_mapping_error(pluto->pdev, pluto->dma_addr);
+ return dma_mapping_error(&pluto->pdev->dev, pluto->dma_addr);
}
static void pluto_dma_unmap(struct pluto *pluto)
{
- pci_unmap_single(pluto->pdev, pluto->dma_addr,
- TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
+ dma_unmap_single(&pluto->pdev->dev, pluto->dma_addr, TS_DMA_BYTES,
+ DMA_FROM_DEVICE);
}
static int pluto_start_feed(struct dvb_demux_feed *f)
@@ -276,8 +276,8 @@ static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
{
/* synchronize the DMA transfer with the CPU
* first so that we see updated contents. */
- pci_dma_sync_single_for_cpu(pluto->pdev, pluto->dma_addr,
- TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
+ dma_sync_single_for_cpu(&pluto->pdev->dev, pluto->dma_addr,
+ TS_DMA_BYTES, DMA_FROM_DEVICE);
/* Workaround for broken hardware:
* [1] On startup NBPACKETS seems to contain an uninitialized value,
@@ -310,8 +310,8 @@ static void pluto_dma_end(struct pluto *pluto, unsigned int nbpackets)
pluto_set_dma_addr(pluto);
/* sync the buffer and give it back to the card */
- pci_dma_sync_single_for_device(pluto->pdev, pluto->dma_addr,
- TS_DMA_BYTES, PCI_DMA_FROMDEVICE);
+ dma_sync_single_for_device(&pluto->pdev->dev, pluto->dma_addr,
+ TS_DMA_BYTES, DMA_FROM_DEVICE);
}
static irqreturn_t pluto_irq(int irq, void *dev_id)
@@ -595,7 +595,7 @@ static int pluto2_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
/* enable interrupts */
pci_write_config_dword(pdev, 0x6c, 0x8000);
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (ret < 0)
goto err_pci_disable_device;
diff --git a/drivers/media/pci/pt1/pt1.c b/drivers/media/pci/pt1/pt1.c
index f2aa36814fbac..121a4a92ea105 100644
--- a/drivers/media/pci/pt1/pt1.c
+++ b/drivers/media/pci/pt1/pt1.c
@@ -1340,7 +1340,7 @@ static int pt1_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (ret < 0)
goto err;
- ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
+ ret = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (ret < 0)
goto err_pci_disable_device;
diff --git a/drivers/media/pci/tw5864/tw5864-core.c b/drivers/media/pci/tw5864/tw5864-core.c
index 282f7dfb7aaff..23d3cae54a5d6 100644
--- a/drivers/media/pci/tw5864/tw5864-core.c
+++ b/drivers/media/pci/tw5864/tw5864-core.c
@@ -262,7 +262,7 @@ static int tw5864_initdev(struct pci_dev *pci_dev,
pci_set_master(pci_dev);
- err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
+ err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32));
if (err) {
dev_err(&dev->pci->dev, "32 bit PCI DMA is not supported\n");
goto disable_pci;
--
2.51.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [PATCH 5.15.y 2/2] media: cx18: Add missing check after DMA map
2025-10-17 13:00 ` [PATCH 5.15.y 1/2] media: switch from 'pci_' to 'dma_' API Sasha Levin
@ 2025-10-17 13:00 ` Sasha Levin
0 siblings, 0 replies; 3+ messages in thread
From: Sasha Levin @ 2025-10-17 13:00 UTC (permalink / raw)
To: stable; +Cc: Thomas Fourier, Hans Verkuil, Sasha Levin
From: Thomas Fourier <fourier.thomas@gmail.com>
[ Upstream commit 23b53639a793477326fd57ed103823a8ab63084f ]
The DMA map functions can fail and should be tested for errors.
If the mapping fails, dealloc buffers, and return.
Fixes: 1c1e45d17b66 ("V4L/DVB (7786): cx18: new driver for the Conexant CX23418 MPEG encoder chip")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Fourier <fourier.thomas@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/media/pci/cx18/cx18-queue.c | 13 ++++++++++---
1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/media/pci/cx18/cx18-queue.c b/drivers/media/pci/cx18/cx18-queue.c
index 013694bfcb1c1..7cbb2d5869320 100644
--- a/drivers/media/pci/cx18/cx18-queue.c
+++ b/drivers/media/pci/cx18/cx18-queue.c
@@ -379,15 +379,22 @@ int cx18_stream_alloc(struct cx18_stream *s)
break;
}
+ buf->dma_handle = dma_map_single(&s->cx->pci_dev->dev,
+ buf->buf, s->buf_size,
+ s->dma);
+ if (dma_mapping_error(&s->cx->pci_dev->dev, buf->dma_handle)) {
+ kfree(buf->buf);
+ kfree(mdl);
+ kfree(buf);
+ break;
+ }
+
INIT_LIST_HEAD(&mdl->list);
INIT_LIST_HEAD(&mdl->buf_list);
mdl->id = s->mdl_base_idx; /* a somewhat safe value */
cx18_enqueue(s, mdl, &s->q_idle);
INIT_LIST_HEAD(&buf->list);
- buf->dma_handle = dma_map_single(&s->cx->pci_dev->dev,
- buf->buf, s->buf_size,
- s->dma);
cx18_buf_sync_for_cpu(s, buf);
list_add_tail(&buf->list, &s->buf_pool);
}
--
2.51.0
^ permalink raw reply related [flat|nested] 3+ messages in thread
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2025-10-16 8:59 FAILED: patch "[PATCH] media: cx18: Add missing check after DMA map" failed to apply to 5.15-stable tree gregkh
2025-10-17 13:00 ` [PATCH 5.15.y 1/2] media: switch from 'pci_' to 'dma_' API Sasha Levin
2025-10-17 13:00 ` [PATCH 5.15.y 2/2] media: cx18: Add missing check after DMA map Sasha Levin
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