From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Sat, 5 Apr 2014 08:10:51 +0000 (+0200)
Subject: drm/ast: Remove unnecessary NULL check in bo_unref
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~60^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eb649a614d3a2204825cc41f32a7ae79ff74da35;p=pandora-kernel.git

drm/ast: Remove unnecessary NULL check in bo_unref

ttm_bo_unref unconditionally calls kref_put on it's argument, so the
thing can't be NULL without already causing Oopses.

Spotted by coverity.

Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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