diff options
| -rw-r--r-- | drivers/usb/misc/iowarrior.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 1cb54a28347..e6ca9979e3a 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -474,8 +474,8 @@ exit: /** * iowarrior_ioctl */ -static int iowarrior_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long iowarrior_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { struct iowarrior *dev = NULL; __u8 *buffer; @@ -493,6 +493,7 @@ static int iowarrior_ioctl(struct inode *inode, struct file *file, return -ENOMEM; /* lock this object */ + lock_kernel(); mutex_lock(&dev->mutex); /* verify that the device wasn't unplugged */ @@ -584,6 +585,7 @@ static int iowarrior_ioctl(struct inode *inode, struct file *file, error_out: /* unlock the device */ mutex_unlock(&dev->mutex); + unlock_kernel(); kfree(buffer); return retval; } @@ -719,7 +721,7 @@ static const struct file_operations iowarrior_fops = { .owner = THIS_MODULE, .write = iowarrior_write, .read = iowarrior_read, - .ioctl = iowarrior_ioctl, + .unlocked_ioctl = iowarrior_ioctl, .open = iowarrior_open, .release = iowarrior_release, .poll = iowarrior_poll, |