From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 13 Jun 2014 08:10:53 +0000 (+0300)
Subject: drm/i915: Add locking around framebuffer_references--
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~125^2~63^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=60a5ca015ffd2aacfe5674b5a401cd2a37159e07;p=pandora-kernel.git

drm/i915: Add locking around framebuffer_references--

obj->framebuffer_references isn't an atomic_t so the decrement needs to
be protected by some lock. struct_mutex seems like the appropriate lock
here, and we may already take it for the obj unref anyway.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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