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drm/msm: fix return value check in ERR_PTR()
authorWei Yongjun <yongjun_wei@trendmicro.com.cn>
Tue, 10 Sep 2013 22:56:12 +0000 (06:56 +0800)
committerRob Clark <robdclark@gmail.com>
Wed, 11 Sep 2013 21:31:33 +0000 (17:31 -0400)
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>

No differences found
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