From 936ce5cce66ce6f9b5138a1ac0fbf0c2d459a960 Mon Sep 17 00:00:00 2001
From: Joonyoung Shim <jy0922.shim@samsung.com>
Date: Thu, 5 Feb 2015 16:11:38 +0900
Subject: [PATCH] drm/exynos: fix NULL pointer reference

There is a case called disable_plane callback function even if
plane->crtc is NULL from exynos_drm_encoder_disable and it will cause
NULL pointer reference error.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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