diff options
Diffstat (limited to 'drivers/uio/uio.c')
| -rw-r--r-- | drivers/uio/uio.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index 62082d64ece0..2d572f6c8ec8 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -466,13 +466,13 @@ static int uio_open(struct inode *inode, struct file *filep) mutex_lock(&minor_lock); idev = idr_find(&uio_idr, iminor(inode)); - mutex_unlock(&minor_lock); if (!idev) { ret = -ENODEV; + mutex_unlock(&minor_lock); goto out; } - get_device(&idev->dev); + mutex_unlock(&minor_lock); if (!try_module_get(idev->owner)) { ret = -ENODEV; @@ -1064,9 +1064,8 @@ void uio_unregister_device(struct uio_info *info) wake_up_interruptible(&idev->wait); kill_fasync(&idev->async_queue, SIGIO, POLL_HUP); - device_unregister(&idev->dev); - uio_free_minor(minor); + device_unregister(&idev->dev); return; } |