From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Thu, 10 Oct 2013 14:18:44 +0000 (+0200)
Subject: staging: drm/imx: fix pageflip events during device close
X-Git-Tag: omap-for-v3.13/fixes-for-merge-window-take2~62^2~372
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6ee4d7fe1b5f8c9c32410ddf1f1aa84bdeaed6b9;p=pandora-kernel.git

staging: drm/imx: fix pageflip events during device close

During a device close the drm core frees all pending events in
drm_events_release(). If at that time a pageflip is pending the
interrupt handler will try to complete the now unitialized
event resulting in a NULL pointer exception. Seen on imx-drm
when userspace is killed during a page flip.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

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