From e45efa99b0b0035a2afc192c242e37eec5477497 Mon Sep 17 00:00:00 2001
From: Sebastian Ott <sebott@linux.vnet.ibm.com>
Date: Fri, 12 Jun 2009 10:26:27 +0200
Subject: [PATCH] [S390] cio: fix sanity checks in device_ops.

Some sanity checks in device_ops.c test the output of container_of
macros to be !NULL. Test the input parameters instead.

Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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Reading git-format-patch failed