The remote subdev of any video node in the OMAP3 ISP is an internal
subdev that is guaranteed to implement get_fmt. Don't check the return
value for -ENOIOCTLCMD, as this can't happen.

While at it, move non-critical code out of the mutex-protected section.

Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
 drivers/media/platform/omap3isp/ispvideo.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/drivers/media/platform/omap3isp/ispvideo.c 
b/drivers/media/platform/omap3isp/ispvideo.c
index a908d00..f6304bb 100644
--- a/drivers/media/platform/omap3isp/ispvideo.c
+++ b/drivers/media/platform/omap3isp/ispvideo.c
@@ -339,14 +339,11 @@ __isp_video_get_format(struct isp_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);
-       if (ret == -ENOIOCTLCMD)
-               ret = -EINVAL;
 
+       mutex_lock(&video->mutex);
+       ret = v4l2_subdev_call(subdev, pad, get_fmt, NULL, &fmt);
        mutex_unlock(&video->mutex);
 
        if (ret)
-- 
Regards,

Laurent Pinchart

--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to