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path: root/drivers/usb/misc/iowarrior.c
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Diffstat (limited to 'drivers/usb/misc/iowarrior.c')
-rw-r--r--drivers/usb/misc/iowarrior.c8
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,