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Message-Id: <20210706111827.2060499-105-sashal@kernel.org>
Date: Tue, 6 Jul 2021 07:17:31 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Yang Yingliang <yangyingliang@...wei.com>,
Hulk Robot <hulkci@...wei.com>,
"David S . Miller" <davem@...emloft.net>,
Sasha Levin <sashal@...nel.org>, netdev@...r.kernel.org
Subject: [PATCH AUTOSEL 5.12 105/160] net: sched: fix error return code in tcf_del_walker()
From: Yang Yingliang <yangyingliang@...wei.com>
[ Upstream commit 55d96f72e8ddc0a294e0b9c94016edbb699537e1 ]
When nla_put_u32() fails, 'ret' could be 0, it should
return error code in tcf_del_walker().
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
net/sched/act_api.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index f6d5755d669e..d17a66aab8ee 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -381,7 +381,8 @@ static int tcf_del_walker(struct tcf_idrinfo *idrinfo, struct sk_buff *skb,
}
mutex_unlock(&idrinfo->lock);
- if (nla_put_u32(skb, TCA_FCNT, n_i))
+ ret = nla_put_u32(skb, TCA_FCNT, n_i);
+ if (ret)
goto nla_put_failure;
nla_nest_end(skb, nest);
--
2.30.2
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