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: NJesper Juhl <jesper.juhl@gmail.com>
Acked-by: NCornelia Huck <cohuck@de.ibm.com>
Acked-by: NStefan Bader <Stefan.Bader@de.ibm.com>
Signed-off-by: NAndrew Morton <akpm@osdl.org>
Signed-off-by: NLinus Torvalds <torvalds@osdl.org>