From: Imre Deak <imre.deak@intel.com>
Date: Fri, 2 Nov 2012 11:30:50 +0000 (+0200)
Subject: drm: hold event_lock while accessing vblank_event_list
X-Git-Tag: v3.8-rc1~82^2~13^2~23
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e7783ba3bf1c631278be6620875fbfa6b0eba905;p=pandora-kernel.git

drm: hold event_lock while accessing vblank_event_list

Currently the only users of drm_vblank_off() are i915 and gma500,
neither of which holds the event_lock when calling this function.
Fix this by holding the event_lock while traversing the list.

Signed-off-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
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