USB: BKL removal: usb-skeleton

BKL not needed at all. Removed without replacement.
Signed-off-by: NOliver Neukum <oliver@neukum.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/usb-skeleton.c

@@ -18,7 +18,6 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/kref.h>
-#include <linux/smp_lock.h>
 #include <linux/uaccess.h>
 #include <linux/usb.h>
 #include <linux/mutex.h>
@@ -91,7 +90,6 @@ static int skel_open(struct inode *inode, struct file *file)
 	int subminor;
 	int retval = 0;
 
-	lock_kernel();
 	subminor = iminor(inode);
 
 	interface = usb_find_interface(&skel_driver, subminor);
@@ -137,7 +135,6 @@ static int skel_open(struct inode *inode, struct file *file)
 	mutex_unlock(&dev->io_mutex);
 
 exit:
-	unlock_kernel();
 	return retval;
 }