* [patch 1/6] usb: gadget: uvc: fix some error codes
@ 2015-01-14 20:59 Dan Carpenter
2015-01-16 11:18 ` Andrzej Pietrasiewicz
2015-01-18 23:52 ` Laurent Pinchart
0 siblings, 2 replies; 3+ messages in thread
From: Dan Carpenter @ 2015-01-14 20:59 UTC (permalink / raw)
To: kernel-janitors
We're basically saying ERR_CAST(NULL) and PTR_ERR(NULL) here, which is
nonsensical.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
index 33d92ab..d112c99 100644
--- a/drivers/usb/gadget/function/uvc_configfs.c
+++ b/drivers/usb/gadget/function/uvc_configfs.c
@@ -148,7 +148,7 @@ static struct config_item *uvcg_control_header_make(struct config_group *group,
h = kzalloc(sizeof(*h), GFP_KERNEL);
if (!h)
- return ERR_CAST(h);
+ return ERR_PTR(-ENOMEM);
h->desc.bLength = UVC_DT_HEADER_SIZE(1);
h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
@@ -840,7 +840,7 @@ static int uvcg_streaming_header_allow_link(struct config_item *src,
format_ptr = kzalloc(sizeof(*format_ptr), GFP_KERNEL);
if (!format_ptr) {
- ret = PTR_ERR(format_ptr);
+ ret = -ENOMEM;
goto out;
}
ret = 0;
@@ -960,7 +960,7 @@ static struct config_item
h = kzalloc(sizeof(*h), GFP_KERNEL);
if (!h)
- return ERR_CAST(h);
+ return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&h->formats);
h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
@@ -1278,7 +1278,7 @@ static struct config_item *uvcg_frame_make(struct config_group *group,
h = kzalloc(sizeof(*h), GFP_KERNEL);
if (!h)
- return ERR_CAST(h);
+ return ERR_PTR(-ENOMEM);
h->frame.b_descriptor_type = USB_DT_CS_INTERFACE;
h->frame.b_frame_index = 1;
@@ -1563,7 +1563,7 @@ static struct config_group *uvcg_uncompressed_make(struct config_group *group,
h = kzalloc(sizeof(*h), GFP_KERNEL);
if (!h)
- return ERR_CAST(h);
+ return ERR_PTR(-ENOMEM);
h->desc.bLength = UVC_DT_FORMAT_UNCOMPRESSED_SIZE;
h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
@@ -1772,7 +1772,7 @@ static struct config_group *uvcg_mjpeg_make(struct config_group *group,
h = kzalloc(sizeof(*h), GFP_KERNEL);
if (!h)
- return ERR_CAST(h);
+ return ERR_PTR(-ENOMEM);
h->desc.bLength = UVC_DT_FORMAT_MJPEG_SIZE;
h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
@@ -2124,7 +2124,7 @@ static int uvcg_streaming_class_allow_link(struct config_item *src,
count += 2; /* color_matching, NULL */
*class_array = kcalloc(count, sizeof(void *), GFP_KERNEL);
if (!*class_array) {
- ret = PTR_ERR(*class_array);
+ ret = -ENOMEM;
goto unlock;
}
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [patch 1/6] usb: gadget: uvc: fix some error codes
2015-01-14 20:59 [patch 1/6] usb: gadget: uvc: fix some error codes Dan Carpenter
@ 2015-01-16 11:18 ` Andrzej Pietrasiewicz
2015-01-18 23:52 ` Laurent Pinchart
1 sibling, 0 replies; 3+ messages in thread
From: Andrzej Pietrasiewicz @ 2015-01-16 11:18 UTC (permalink / raw)
To: kernel-janitors
W dniu 14.01.2015 o 21:59, Dan Carpenter pisze:
> We're basically saying ERR_CAST(NULL) and PTR_ERR(NULL) here, which is
> nonsensical.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
>
> diff --git a/drivers/usb/gadget/function/uvc_configfs.c b/drivers/usb/gadget/function/uvc_configfs.c
> index 33d92ab..d112c99 100644
> --- a/drivers/usb/gadget/function/uvc_configfs.c
> +++ b/drivers/usb/gadget/function/uvc_configfs.c
> @@ -148,7 +148,7 @@ static struct config_item *uvcg_control_header_make(struct config_group *group,
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> h->desc.bLength = UVC_DT_HEADER_SIZE(1);
> h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
> @@ -840,7 +840,7 @@ static int uvcg_streaming_header_allow_link(struct config_item *src,
>
> format_ptr = kzalloc(sizeof(*format_ptr), GFP_KERNEL);
> if (!format_ptr) {
> - ret = PTR_ERR(format_ptr);
> + ret = -ENOMEM;
> goto out;
> }
> ret = 0;
> @@ -960,7 +960,7 @@ static struct config_item
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> INIT_LIST_HEAD(&h->formats);
> h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
> @@ -1278,7 +1278,7 @@ static struct config_item *uvcg_frame_make(struct config_group *group,
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> h->frame.b_descriptor_type = USB_DT_CS_INTERFACE;
> h->frame.b_frame_index = 1;
> @@ -1563,7 +1563,7 @@ static struct config_group *uvcg_uncompressed_make(struct config_group *group,
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> h->desc.bLength = UVC_DT_FORMAT_UNCOMPRESSED_SIZE;
> h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
> @@ -1772,7 +1772,7 @@ static struct config_group *uvcg_mjpeg_make(struct config_group *group,
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> h->desc.bLength = UVC_DT_FORMAT_MJPEG_SIZE;
> h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
> @@ -2124,7 +2124,7 @@ static int uvcg_streaming_class_allow_link(struct config_item *src,
> count += 2; /* color_matching, NULL */
> *class_array = kcalloc(count, sizeof(void *), GFP_KERNEL);
> if (!*class_array) {
> - ret = PTR_ERR(*class_array);
> + ret = -ENOMEM;
> goto unlock;
> }
>
> --
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> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [patch 1/6] usb: gadget: uvc: fix some error codes
2015-01-14 20:59 [patch 1/6] usb: gadget: uvc: fix some error codes Dan Carpenter
2015-01-16 11:18 ` Andrzej Pietrasiewicz
@ 2015-01-18 23:52 ` Laurent Pinchart
1 sibling, 0 replies; 3+ messages in thread
From: Laurent Pinchart @ 2015-01-18 23:52 UTC (permalink / raw)
To: kernel-janitors
Hi Dan,
Thank you for the patch.
On Wednesday 14 January 2015 23:59:48 Dan Carpenter wrote:
> We're basically saying ERR_CAST(NULL) and PTR_ERR(NULL) here, which is
> nonsensical.
>
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> diff --git a/drivers/usb/gadget/function/uvc_configfs.c
> b/drivers/usb/gadget/function/uvc_configfs.c index 33d92ab..d112c99 100644
> --- a/drivers/usb/gadget/function/uvc_configfs.c
> +++ b/drivers/usb/gadget/function/uvc_configfs.c
> @@ -148,7 +148,7 @@ static struct config_item
> *uvcg_control_header_make(struct config_group *group,
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> h->desc.bLength = UVC_DT_HEADER_SIZE(1);
> h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
> @@ -840,7 +840,7 @@ static int uvcg_streaming_header_allow_link(struct
> config_item *src,
>
> format_ptr = kzalloc(sizeof(*format_ptr), GFP_KERNEL);
> if (!format_ptr) {
> - ret = PTR_ERR(format_ptr);
> + ret = -ENOMEM;
> goto out;
> }
> ret = 0;
> @@ -960,7 +960,7 @@ static struct config_item
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> INIT_LIST_HEAD(&h->formats);
> h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
> @@ -1278,7 +1278,7 @@ static struct config_item *uvcg_frame_make(struct
> config_group *group,
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> h->frame.b_descriptor_type = USB_DT_CS_INTERFACE;
> h->frame.b_frame_index = 1;
> @@ -1563,7 +1563,7 @@ static struct config_group
> *uvcg_uncompressed_make(struct config_group *group,
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> h->desc.bLength = UVC_DT_FORMAT_UNCOMPRESSED_SIZE;
> h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
> @@ -1772,7 +1772,7 @@ static struct config_group *uvcg_mjpeg_make(struct
> config_group *group,
>
> h = kzalloc(sizeof(*h), GFP_KERNEL);
> if (!h)
> - return ERR_CAST(h);
> + return ERR_PTR(-ENOMEM);
>
> h->desc.bLength = UVC_DT_FORMAT_MJPEG_SIZE;
> h->desc.bDescriptorType = USB_DT_CS_INTERFACE;
> @@ -2124,7 +2124,7 @@ static int uvcg_streaming_class_allow_link(struct
> config_item *src, count += 2; /* color_matching, NULL */
> *class_array = kcalloc(count, sizeof(void *), GFP_KERNEL);
> if (!*class_array) {
> - ret = PTR_ERR(*class_array);
> + ret = -ENOMEM;
> goto unlock;
> }
--
Regards,
Laurent Pinchart
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-01-14 20:59 [patch 1/6] usb: gadget: uvc: fix some error codes Dan Carpenter
2015-01-16 11:18 ` Andrzej Pietrasiewicz
2015-01-18 23:52 ` Laurent Pinchart
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