From 7e3d88f9cce3ea3350fa25b89393a6dd2b8e5ed4 Mon Sep 17 00:00:00 2001
From: YoungJun Cho <yj44.cho@samsung.com>
Date: Mon, 24 Jun 2013 16:40:53 +0900
Subject: [PATCH] drm/prime: replace NULL with error value in
 drm_prime_pages_to_sg

Instead of NULL, error value is casted with ERR_PTR() for
drm_prime_pages_to_sg() and IS_ERR_OR_NULL() macro is replaced
with IS_ERR() macro for drm_gem_map_dma_buf().

Signed-off-by: YoungJun Cho <yj44.cho@samsung.com>
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
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