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

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

Fixes: 8223286d62 ("drm/msm: Add a helper function for in-kernel
buffer allocations")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Rob Clark <robdclark@gmail.com>
This commit is contained in:
Wei Yongjun 2017-10-11 11:36:56 +00:00 committed by Rob Clark
parent f44001e263
commit c9811d0fa5
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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@ -1045,10 +1045,10 @@ static void *_msm_gem_kernel_new(struct drm_device *dev, uint32_t size,
}
vaddr = msm_gem_get_vaddr(obj);
if (!vaddr) {
if (IS_ERR(vaddr)) {
msm_gem_put_iova(obj, aspace);
drm_gem_object_unreference(obj);
return ERR_PTR(-ENOMEM);
return ERR_CAST(vaddr);
}
if (bo)