diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/memory-failure.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/mm/memory-failure.c b/mm/memory-failure.c index 4f08a2d61487..9b5933c66c16 100644 --- a/mm/memory-failure.c +++ b/mm/memory-failure.c @@ -145,14 +145,10 @@ static int hwpoison_filter_task(struct page *p) return -EINVAL; css = mem_cgroup_css(mem); - /* root_mem_cgroup has NULL dentries */ - if (!css->cgroup->dentry) - return -EINVAL; - - ino = css->cgroup->dentry->d_inode->i_ino; + ino = cgroup_ino(css->cgroup); css_put(css); - if (ino != hwpoison_filter_memcg) + if (!ino || ino != hwpoison_filter_memcg) return -EINVAL; return 0; |