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Date:   Wed, 30 Dec 2020 14:59:11 +0800
From:   YANG LI <abaci-bugfix@...ux.alibaba.com>
To:     hannes@...xchg.org
Cc:     mhocko@...nel.org, vdavydov.dev@...il.com,
        akpm@...ux-foundation.org, cgroups@...r.kernel.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        YANG LI <abaci-bugfix@...ux.alibaba.com>
Subject: [PATCH] mm: fix: Uninitialized variable ret.

The ret is being used but it isn't being initialized,
need to assign a value to it, like 0.

Signed-off-by: YANG LI <abaci-bugfix@...ux.alibaba.com>
Reported-by: Abaci <abaci@...ux.alibaba.com>
---
 mm/memcontrol.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index 605f671..15ba17d 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -3366,7 +3366,7 @@ static int mem_cgroup_resize_max(struct mem_cgroup *memcg,
 {
 	bool enlarge = false;
 	bool drained = false;
-	int ret;
+	int ret = 0;
 	bool limits_invariant;
 	struct page_counter *counter = memsw ? &memcg->memsw : &memcg->memory;
 
-- 
1.8.3.1

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