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drm/msm: fix return value check in ERR_PTR()

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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>
This commit is contained in:
Wei Yongjun 2013-09-11 06:56:12 +08:00 committed by Rob Clark
parent 198725337e
commit 1f70e079c7
1 changed files with 2 additions and 2 deletions
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4
drivers/gpu/drm/msm/msm_gem.c
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@ -40,9 +40,9 @@ static struct page **get_pages(struct drm_gem_object *obj)
}
msm_obj->sgt = drm_prime_pages_to_sg(p, npages);
if (!msm_obj->sgt) {
if (IS_ERR(msm_obj->sgt)) {
dev_err(dev->dev, "failed to allocate sgt\n");
return ERR_PTR(-ENOMEM);
return ERR_CAST(msm_obj->sgt);
}
msm_obj->pages = p;