[PATCH] kfree cleanup: drivers/s390

This is the drivers/s390/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in drivers/s390/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Cornelia Huck <cohuck@de.ibm.com>
Acked-by: Stefan Bader <Stefan.Bader@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

drivers/s390/cio/cmf.c

@@ -642,8 +642,7 @@ static void
 free_cmbe (struct ccw_device *cdev)
 {
 	spin_lock_irq(cdev->ccwlock);
-	if (cdev->private->cmb)
-		kfree(cdev->private->cmb);
+	kfree(cdev->private->cmb);
 	cdev->private->cmb = NULL;
 	spin_unlock_irq(cdev->ccwlock);