From: Yang Yingliang <yangyingliang@huawei.com>
To: <linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>
Cc: <jhs@mojatatu.com>, <xiyou.wangcong@gmail.com>,
<jiri@resnulli.us>, <davem@davemloft.net>, <kuba@kernel.org>
Subject: [PATCH net-next] net: sched: fix error return code in tcf_del_walker()
Date: Thu, 17 Jun 2021 16:02:07 +0800 [thread overview]
Message-ID: <20210617080207.1346017-1-yangyingliang@huawei.com> (raw)
When nla_put_u32() fails, 'ret' could be 0, it should
return error code in tcf_del_walker().
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
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);
--
2.25.1
next reply other threads:[~2021-06-17 7:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-17 8:02 Yang Yingliang [this message]
2021-06-17 18:40 ` [PATCH net-next] net: sched: fix error return code in tcf_del_walker() patchwork-bot+netdevbpf
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