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| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2010-11-21 17:36:34 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-12-01 23:10:24 +0100 |
| commit | 6947756dfcecc493062a46e77f6bf51dddb5be75 (patch) | |
| tree | 9ef949c2b95d43ce0389ea6d54b5b469322aaf0b /drivers/media/video/uvc/uvcvideo.h | |
| parent | [media] uvcvideo: Move mmap() handler to uvc_queue.c (diff) | |
| download | linux-6947756dfcecc493062a46e77f6bf51dddb5be75.tar.xz linux-6947756dfcecc493062a46e77f6bf51dddb5be75.zip | |
[media] uvcvideo: Lock stream mutex when accessing format-related information
The stream mutex protects access to the struct uvc_streaming ctrl,
cur_format and cur_frame fields as well as to the hardware probe
control. Lock it appropriately.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/uvc/uvcvideo.h')
| -rw-r--r-- | drivers/media/video/uvc/uvcvideo.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index ea893bc0df07..45f01e7e13d2 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -436,7 +436,9 @@ struct uvc_streaming { struct uvc_streaming_control ctrl; struct uvc_format *cur_format; struct uvc_frame *cur_frame; - + /* Protect access to ctrl, cur_format, cur_frame and hardware video + * probe control. + */ struct mutex mutex; unsigned int frozen : 1; |