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drm/exynos/iommu: fix return value check in drm_create_iommu_mapping()
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Mon, 10 Dec 2012 07:11:13 +0000 (02:11 -0500)
committerInki Dae <daeinki@gmail.com>
Thu, 13 Dec 2012 14:05:45 +0000 (06:05 -0800)
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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