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[media] media: davinci_vpfe: fix missing unlock on error in vpfe_prepare_pipeline() 

Add the missing unlock before return from function
vpfe_prepare_pipeline() in the error handling case.

video->lock is lock/unlock in function vpfe_open(),
and no need to unlock it here, so remove unlock
video->lock.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Wei Yongjun 2016-02-05 11:52:00 -02:00 committed by Mauro Carvalho Chehab
parent ac75fe5d8f
commit 4f388a9210
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/media/davinci_vpfe/vpfe_video.c
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@ -147,7 +147,7 @@ static int vpfe_prepare_pipeline(struct vpfe_video_device *video)
mutex_lock(&mdev->graph_mutex);
ret = media_entity_graph_walk_init(&graph, entity->graph_obj.mdev);
if (ret) {
mutex_unlock(&video->lock);
mutex_unlock(&mdev->graph_mutex);
return -ENOMEM;
}
media_entity_graph_walk_start(&graph, entity);