From 7cb72ef4d39978e6e07415a2d552b06d567c3079 Mon Sep 17 00:00:00 2001
From: Jerome Glisse <jglisse@redhat.com>
Date: Thu, 11 Feb 2010 12:44:32 +0100
Subject: [PATCH] drm/radeon/kms: fix r600/r700 cs checker to avoid double
 kfree

radeon_cs kfree the tracker structure but for r6xx/r7xx we want
to kfree it inside the parse function because we share it with
the UMS code path. Set tracker to NULL after freeing it will
avoid double free.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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