From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
To: davem@davemloft.net
Cc: kuba@kernel.org, ast@kernel.org, daniel@iogearbox.net,
hawk@kernel.org, john.fastabend@gmail.com, andrii@kernel.org,
kafai@fb.com, songliubraving@fb.com, yhs@fb.com,
kpsingh@kernel.org, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Subject: [PATCH] rtnetlink: Fix missing error code in rtnl_bridge_notify()
Date: Wed, 2 Jun 2021 18:15:04 +0800 [thread overview]
Message-ID: <1622628904-93532-1-git-send-email-jiapeng.chong@linux.alibaba.com> (raw)
The error code is missing in this code scenario, add the error code
'-EINVAL' to the return value 'err'.
Eliminate the follow smatch warning:
net/core/rtnetlink.c:4834 rtnl_bridge_notify() warn: missing error code
'err'.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
net/core/rtnetlink.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 714d5fa..3e84279 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4842,8 +4842,10 @@ static int rtnl_bridge_notify(struct net_device *dev)
if (err < 0)
goto errout;
- if (!skb->len)
+ if (!skb->len) {
+ err = -EINVAL;
goto errout;
+ }
rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
return 0;
--
1.8.3.1
next reply other threads:[~2021-06-02 10:15 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-02 10:15 Jiapeng Chong [this message]
2021-06-03 21:00 ` [PATCH] rtnetlink: Fix missing error code in rtnl_bridge_notify() patchwork-bot+netdevbpf
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