From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Mon, 10 Dec 2012 07:11:13 +0000 (-0500)
Subject: drm/exynos/iommu: fix return value check in drm_create_iommu_mapping()
X-Git-Tag: v3.8-rc1~82^2~1^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a0e41b562b3e302b47f887056d89189b816ce219;p=pandora-kernel.git

drm/exynos/iommu: fix return value check in drm_create_iommu_mapping()

In case of error, function arm_iommu_create_mapping() 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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