1 files changed, 9 insertions, 5 deletions

diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index a9139682c49..7d68b24b565 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)