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>

diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index aae95a0..63a6070 100644 (file)
--- 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;
 }