From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
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@xxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/msm_gem.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 6b5a6c8..3462def 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -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;
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