[Devel] [PATCH RH7 2/2] lost css_put in hwpoison_filter_task()

[Vasily Averin]

Signed-off-by: Vasily Averin <vvs at virtuozzo.com>
---
 mm/memory-failure.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/mm/memory-failure.c b/mm/memory-failure.c
index 643ec1aa8d1f..b6f47c2e823a 100644
--- a/mm/memory-failure.c
+++ b/mm/memory-failure.c
@@ -146,9 +146,10 @@ static int hwpoison_filter_task(struct page *p)
 
 	css = mem_cgroup_css(mem);
 	/* root_mem_cgroup has NULL dentries */
-	if (!css->cgroup->dentry)
+	if (!css->cgroup->dentry) {
+		css_put(css);
 		return -EINVAL;
-
+	}
 	ino = css->cgroup->dentry->d_inode->i_ino;
 	css_put(css);
 
-- 
2.17.1