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.pinch...@ideasonboard.com>
---
drivers/staging/media/omap4iss/iss_video.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/staging/media/omap4iss/iss_video.c
b/drivers/staging/media/omap4iss/iss_video.c
index 63419b3..6800623 100644
--- a/drivers/staging/media/omap4iss/iss_video.c
+++ b/drivers/staging/media/omap4iss/iss_video.c
@@ -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)
--
1.8.1.5
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