diff options
Diffstat (limited to 'drivers/media/media-devnode.c')
| -rw-r--r-- | drivers/media/media-devnode.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/media-devnode.c b/drivers/media/media-devnode.c index 29409f440..b66dc9d07 100644 --- a/drivers/media/media-devnode.c +++ b/drivers/media/media-devnode.c @@ -197,10 +197,11 @@ static int media_release(struct inode *inode, struct file *filp) if (mdev->fops->release) mdev->fops->release(filp); + filp->private_data = NULL; + /* decrease the refcount unconditionally since the release() return value is ignored. */ put_device(&mdev->dev); - filp->private_data = NULL; return 0; } @@ -267,8 +268,11 @@ 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; } |