diff options
Diffstat (limited to 'net/bridge/br_netlink.c')
| -rw-r--r-- | net/bridge/br_netlink.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c index a9139682c49b..7d68b24b5654 100644 --- a/net/bridge/br_netlink.c +++ b/net/bridge/br_netlink.c @@ -45,7 +45,7 @@ static int br_fill_ifinfo(struct sk_buff *skb, const struct net_bridge_port *por nlh = nlmsg_put(skb, pid, seq, event, sizeof(*hdr), flags); if (nlh == NULL) - return -ENOBUFS; + return -EMSGSIZE; hdr = nlmsg_data(nlh); hdr->ifi_family = AF_BRIDGE; @@ -72,7 +72,8 @@ static int br_fill_ifinfo(struct sk_buff *skb, const struct net_bridge_port *por return nlmsg_end(skb, nlh); nla_put_failure: - return nlmsg_cancel(skb, nlh); + nlmsg_cancel(skb, nlh); + return -EMSGSIZE; } /* @@ -89,9 +90,12 @@ void br_ifinfo_notify(int event, struct net_bridge_port *port) goto errout; err = br_fill_ifinfo(skb, port, 0, 0, event, 0); - /* failure implies BUG in br_nlmsg_size() */ - BUG_ON(err < 0); - + if (err < 0) { + /* -EMSGSIZE implies BUG in br_nlmsg_size() */ + WARN_ON(err == -EMSGSIZE); + kfree_skb(skb); + goto errout; + } err = rtnl_notify(skb, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC); errout: if (err < 0) |