From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>,
Abaci Robot <abaci@linux.alibaba.com>,
"David S . Miller" <davem@davemloft.net>,
Sasha Levin <sashal@kernel.org>,
netdev@vger.kernel.org
Subject: [PATCH AUTOSEL 4.19 18/21] rtnetlink: Fix missing error code in rtnl_bridge_notify()
Date: Mon, 7 Jun 2021 12:14:45 -0400 [thread overview]
Message-ID: <20210607161448.3584332-18-sashal@kernel.org> (raw)
In-Reply-To: <20210607161448.3584332-1-sashal@kernel.org>
From: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
[ Upstream commit a8db57c1d285c758adc7fb43d6e2bad2554106e1 ]
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>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 935053ee7765..7f2dda27f9e7 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -4102,8 +4102,10 @@ 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;
--
2.30.2
next prev parent reply other threads:[~2021-06-07 16:21 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 16:14 [PATCH AUTOSEL 4.19 01/21] net: ieee802154: fix null deref in parse dev addr Sasha Levin
2021-06-07 16:14 ` [PATCH AUTOSEL 4.19 10/21] Bluetooth: use correct lock to prevent UAF of hdev object Sasha Levin
2021-06-07 16:14 ` [PATCH AUTOSEL 4.19 12/21] ethernet: myri10ge: Fix missing error code in myri10ge_probe() Sasha Levin
2021-06-07 16:14 ` [PATCH AUTOSEL 4.19 17/21] net: ipconfig: Don't override command-line hostnames or domains Sasha Levin
2021-06-07 16:14 ` Sasha Levin [this message]
2021-06-07 16:14 ` [PATCH AUTOSEL 4.19 19/21] net/x25: Return the correct errno code Sasha Levin
2021-06-07 16:14 ` [PATCH AUTOSEL 4.19 20/21] net: " Sasha Levin
2021-06-07 16:14 ` [PATCH AUTOSEL 4.19 21/21] fib: " Sasha Levin
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