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v4l: vsp1: Fix mutex double lock at streamon time

Message ID 1377214061-16484-1-git-send-email-laurent.pinchart+renesas@ideasonboard.com (mailing list archive)
State Awaiting Upstream
Headers show

Commit Message

Laurent Pinchart Aug. 22, 2013, 11:27 p.m. UTC
A mutex_lock() was left when the driver was converted to use the vb2
ioctl helpers, resulting in a deadlock at streamon time. Fix it.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
 drivers/media/platform/vsp1/vsp1_video.c | 2 --
 1 file changed, 2 deletions(-)

Yet another v3.12 fix for the VSP1 driver. I'm not sure how I've managed to let
this bug slip in. This should hopefully be the last one, sorry for the noise :-/
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diff --git a/drivers/media/platform/vsp1/vsp1_video.c b/drivers/media/platform/vsp1/vsp1_video.c
index f51f842..714c53e 100644
--- a/drivers/media/platform/vsp1/vsp1_video.c
+++ b/drivers/media/platform/vsp1/vsp1_video.c
@@ -839,8 +839,6 @@  vsp1_video_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
 	struct vsp1_pipeline *pipe;
 	int ret;
-	mutex_lock(&video->lock);
 	if (video->queue.owner && video->queue.owner != file->private_data)
 		return -EBUSY;