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[media] v4l: omap4iss: Move code out of mutex-protected section

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The pad::get_fmt call must be protected by a mutex, but preparing its
arguments doesn't need to be. Move the non-critical code out of the
mutex-protected section.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart 2013-11-04 06:52:10 -03:00 committed by Mauro Carvalho Chehab
parent 4a62361f82
commit c3dbc70d82
1 changed files with 2 additions and 3 deletions
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5
drivers/staging/media/omap4iss/iss_video.c
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@ -243,12 +243,11 @@ __iss_video_get_format(struct iss_video *video, struct v4l2_format *format)
if (subdev == NULL)
return -EINVAL;
mutex_lock(&video->mutex);
fmt.pad = pad;
fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE;
ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt);
mutex_lock(&video->mutex);
ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt);
mutex_unlock(&video->mutex);
if (ret)