From ef07ceae02271ac6eadc9f5cd652bb7162455a1b Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Tue, 12 Aug 2014 22:56:09 +1000
Subject: [PATCH] drm/nouveau/nvif: return null pointers on failure, in
 addition to ret != 0

Reported by Coverity.  The intention is that the return value is
checked, but let's be more paranoid and make it extremely obvious
if something forgets to.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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