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authorZefan Li <lizefan@huawei.com>2014-09-19 16:29:31 +0800
committerTejun Heo <tj@kernel.org>2014-09-19 09:16:23 -0400
commitf29374b146dd02f5f99742aedaddd6ef3512fc9c (patch)
tree107e75d26d7a8a6a88747a9f5ef78e0a8405ff3d /mm
parent52de4779f201758ddcf37360f09a16895756e708 (diff)
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cgroup: remove redundant check in cgroup_ino()
After we implemented default unified hierarchy, cgrp->kn can never be NULL. Signed-off-by: Zefan Li <lizefan@huawei.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'mm')
-rw-r--r--mm/memory-failure.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 44c6bd201d3a..8639f6b28746 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -148,7 +148,7 @@ static int hwpoison_filter_task(struct page *p)
ino = cgroup_ino(css->cgroup);
css_put(css);
- if (!ino || ino != hwpoison_filter_memcg)
+ if (ino != hwpoison_filter_memcg)
return -EINVAL;
return 0;