From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Sun, 26 Sep 2010 19:23:38 +0000 (+0100)
Subject: drm/i915: Skip pread/pwrite if size to copy is 0.
X-Git-Tag: v2.6.37-rc1~92^2~28^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=35b62a89b0723ca05831f2edfff6deebe1806f21;p=pandora-kernel.git

drm/i915: Skip pread/pwrite if size to copy is 0.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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