From: Seung-Woo Kim sw0312.kim@samsung.com
commit 704c6c80fb471d1bb0ef0d61a94617d1d55743cd upstream.
From isp_video_release(), &isp->video_lock is held and subsequent
vb2_fop_release() tries to lock vdev->lock which is same with the previous one. Replace vb2_fop_release() with _vb2_fop_release() to fix the recursive locking.
Fixes: 1380f5754cb0 ("[media] videobuf2: Add missing lock held on vb2_fop_release") Signed-off-by: Seung-Woo Kim sw0312.kim@samsung.com Reviewed-by: Sylwester Nawrocki s.nawrocki@samsung.com Signed-off-by: Hans Verkuil hverkuil-cisco@xs4all.nl Signed-off-by: Mauro Carvalho Chehab mchehab@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/media/platform/exynos4-is/fimc-isp-video.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/media/platform/exynos4-is/fimc-isp-video.c +++ b/drivers/media/platform/exynos4-is/fimc-isp-video.c @@ -323,7 +323,7 @@ static int isp_video_release(struct file ivc->streaming = 0; }
- vb2_fop_release(file); + _vb2_fop_release(file, NULL);
if (v4l2_fh_is_singular_file(file)) { fimc_pipeline_call(&ivc->ve, close);