diff options
| author | Max Kellermann <max@duempel.org> | 2016-03-21 14:33:12 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@osg.samsung.com> | 2016-04-06 15:39:56 +0300 |
| commit | 88336e174645948da269e1812f138f727cd2896b (patch) | |
| tree | 76f99303d1df74dc3f616e0323b3579cd28d8bb5 /drivers/media/media-devnode.c | |
| parent | 952f8eef901b170dbe6b48e80f098be5d835a82c (diff) | |
| download | linux-88336e174645948da269e1812f138f727cd2896b.tar.xz | |
[media] media-devnode: add missing mutex lock in error handler
We should protect the device unregister patch too, at the error
condition.
Signed-off-by: Max Kellermann <max@duempel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/media-devnode.c')
| -rw-r--r-- | drivers/media/media-devnode.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c index 29409f440f1c..64a4b1ef3dcd 100644 --- a/drivers/media/media-devnode.c +++ b/drivers/media/media-devnode.c @@ -267,8 +267,11 @@ 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; } |