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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2010-11-21 13:36:34 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2010-12-01 20:10:24 -0200
commit6947756dfcecc493062a46e77f6bf51dddb5be75 (patch)
tree9ef949c2b95d43ce0389ea6d54b5b469322aaf0b /drivers/media/video/uvc/uvc_video.c
parent4aa275975beee41fd542a0f6df8cd0fee06089bf (diff)
[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/uvc_video.c')
-rw-r--r--drivers/media/video/uvc/uvc_video.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 5555f0102838..5673d673504b 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -293,8 +293,6 @@ int uvc_probe_video(struct uvc_streaming *stream,
unsigned int i;
int ret;
- mutex_lock(&stream->mutex);
-
/* Perform probing. The device should adjust the requested values
* according to its capabilities. However, some devices, namely the
* first generation UVC Logitech webcams, don't implement the Video
@@ -346,7 +344,6 @@ int uvc_probe_video(struct uvc_streaming *stream,
}
done:
- mutex_unlock(&stream->mutex);
return ret;
}