diff options
Diffstat (limited to 'drivers/usb/misc')
| -rw-r--r-- | drivers/usb/misc/rio500.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c index 330c18e390b8..248a12aacef6 100644 --- a/drivers/usb/misc/rio500.c +++ b/drivers/usb/misc/rio500.c @@ -104,9 +104,7 @@ static int close_rio(struct inode *inode, struct file *file) return 0; } -static int -ioctl_rio(struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg) +static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg) { struct RioCommand rio_cmd; struct rio_usb_data *rio = &rio_instance; @@ -116,6 +114,7 @@ ioctl_rio(struct inode *inode, struct file *file, unsigned int cmd, int retries; int retval=0; + lock_kernel(); mutex_lock(&(rio->lock)); /* Sanity check to make sure rio is connected, powered, etc */ if (rio->present == 0 || rio->rio_dev == NULL) { @@ -254,6 +253,7 @@ ioctl_rio(struct inode *inode, struct file *file, unsigned int cmd, err_out: mutex_unlock(&(rio->lock)); + unlock_kernel(); return retval; } @@ -433,7 +433,7 @@ file_operations usb_rio_fops = { .owner = THIS_MODULE, .read = read_rio, .write = write_rio, - .ioctl = ioctl_rio, + .unlocked_ioctl = ioctl_rio, .open = open_rio, .release = close_rio, }; |