From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Tue, 10 Sep 2013 22:56:35 +0000 (+0800)
Subject: drm/exynos: fix return value check in lowlevel_buffer_allocate()
X-Git-Tag: v3.12-rc2~3^2~1^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=662bb6992a505ad41db3c8b52b1e70934507c2e2;p=pandora-kernel.git

drm/exynos: fix return value check in lowlevel_buffer_allocate()

In case of error, the function drm_prime_pages_to_sg() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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