From: Ilia Mirkin <imirkin@alum.mit.edu>
Date: Sun, 19 Jan 2014 15:30:32 +0000 (-0500)
Subject: drm/nouveau/mxm: fix null deref on load
X-Git-Tag: v3.13~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72de182362e013b2c2cc92092d97fff58e429d5d;p=pandora-kernel.git

drm/nouveau/mxm: fix null deref on load

Since commit 61b365a505d6 ("drm/nouveau: populate master subdev pointer
only when fully constructed"), the nouveau_mxm(bios) call will return
NULL, since it's still being called from the constructor.  Instead, pass
the mxm pointer via the unused data field.

See https://bugs.freedesktop.org/show_bug.cgi?id=73791

Reported-by: Andreas Reis <andreas.reis@gmail.com>
Tested-by: Andreas Reis <andreas.reis@gmail.com>
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Cc: Ben Skeggs <bskeggs@redhat.com>
Cc: Dave Airlie <airlied@linux.ie>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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