diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c index 3e84279c4123..ec931b080156 100644 --- a/net/core/rtnetlink.c +++ b/net/core/rtnetlink.c @@ -4842,10 +4842,12 @@ static int rtnl_bridge_notify(struct net_device *dev) if (err < 0) goto errout; - if (!skb->len) { - err = -EINVAL; + /* Notification info is only filled for bridge ports, not the bridge + * device itself. Therefore, a zero notification length is valid and + * should not result in an error. + */ + if (!skb->len) goto errout; - } rtnl_notify(skb, net, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); return 0;