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 eae8e87930cd..83894723ebee 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;