On 31/10/13 14:42, Mauro Carvalho Chehab wrote:
> Em Sat, 19 Oct 2013 18:07:57 +0200
> Ricardo Ribalda escreveu:
>
>> vb2_fop_relase does not held the lock although it is modifying the
>> queue->owner field.
>>
>> This could lead to race conditions on the vb2_perform_io function
>> when multiple
Em Sat, 19 Oct 2013 18:07:57 +0200
Ricardo Ribalda escreveu:
> vb2_fop_relase does not held the lock although it is modifying the
> queue->owner field.
>
> This could lead to race conditions on the vb2_perform_io function
> when multiple applications are accessing the video device via
> read/wri
Hello
Anybody has a comment here? If not I will post a patch with the
modifications propossed by Sylwester.
Thanks!
On Sat, Oct 19, 2013 at 10:08 PM, Ricardo Ribalda Delgado
wrote:
> Hello Sylwester
>
>
> On Sat, Oct 19, 2013 at 8:27 PM, Sylwester Nawrocki
> wrote:
>> On 10/19/2013 06:07 PM,
Hello Sylwester
On Sat, Oct 19, 2013 at 8:27 PM, Sylwester Nawrocki
wrote:
> On 10/19/2013 06:07 PM, Ricardo Ribalda wrote:
> [...]
>>
>> ---
>> drivers/media/platform/exynos4-is/fimc-capture.c | 2 +-
>> drivers/media/platform/exynos4-is/fimc-lite.c| 2 +-
>> drivers/media/usb/em28xx/
On 10/19/2013 06:07 PM, Ricardo Ribalda wrote:
[...]
---
drivers/media/platform/exynos4-is/fimc-capture.c | 2 +-
drivers/media/platform/exynos4-is/fimc-lite.c| 2 +-
drivers/media/usb/em28xx/em28xx-video.c | 2 +-
drivers/media/v4l2-core/videobuf2-core.c | 18 +++
vb2_fop_relase does not held the lock although it is modifying the
queue->owner field.
This could lead to race conditions on the vb2_perform_io function
when multiple applications are accessing the video device via
read/write API:
[ 308.297741] BUG: unable to handle kernel NULL pointer dereferenc
