USB: sisusbvga: Remove the BKL from ioctl

Seems to me that BKL is not needed here because necessary locking is already
provided by mutex sisusb->lock.

Also change the returned value to long.

Signed-off-by: Alessio Igor Bogani <abogani@texware.it>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index aae95a009bd5..63a6070a478a 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -2974,13 +2974,12 @@ sisusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
         struct sisusb_usb_data *sisusb;
         struct sisusb_info x;
         struct sisusb_command y;
-        int     retval = 0;
+        long retval = 0;
         u32 __user *argp = (u32 __user *)arg;
 
         if (!(sisusb = (struct sisusb_usb_data *)file->private_data))
                 return -ENODEV;
 
-        lock_kernel();
         mutex_lock(&sisusb->lock);
 
         /* Sanity check */
@@ -3039,7 +3038,6 @@ sisusb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 err_out:
         mutex_unlock(&sisusb->lock);
-        unlock_kernel();
         return retval;
 }