Messages in this thread Patch in this message | | | Subject | [PATCH] drivers/media/media-devnode: add missing mutex lock in error handler | From | Max Kellermann <> | Date | Mon, 21 Mar 2016 12:33:12 +0100 |
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--- drivers/media/media-devnode.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c index cea35bf..4d7e8dd 100644 --- a/drivers/media/media-devnode.c +++ b/drivers/media/media-devnode.c @@ -266,8 +266,11 @@ int __must_check media_devnode_register(struct media_devnode *mdev, return 0; error: + mutex_lock(&media_devnode_lock); cdev_del(&mdev->cdev); clear_bit(mdev->minor, media_devnode_nums); + mutex_unlock(&media_devnode_lock); + return ret; }
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