diff options
Diffstat (limited to 'drivers/usb/misc/rio500.c')
| -rw-r--r-- | drivers/usb/misc/rio500.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c index 17e4eecaee73..47ce46bb5b01 100644 --- a/drivers/usb/misc/rio500.c +++ b/drivers/usb/misc/rio500.c @@ -77,7 +77,7 @@ static struct rio_usb_data rio_instance; static int open_rio(struct inode *inode, struct file *file) { struct rio_usb_data *rio = &rio_instance; - + lock_kernel(); mutex_lock(&(rio->lock)); if (rio->isopen || !rio->present) { @@ -91,6 +91,7 @@ static int open_rio(struct inode *inode, struct file *file) mutex_unlock(&(rio->lock)); dev_info(&rio->rio_dev->dev, "Rio opened.\n"); + unlock_kernel(); return 0; } |