diff --git a/net/decnet/dn_dev.c b/net/decnet/dn_dev.c
index ed083ab..90b3dfd 100644
--- a/net/decnet/dn_dev.c
+++ b/net/decnet/dn_dev.c
@@ -749,7 +749,7 @@
 
 	nlh = nlmsg_put(skb, pid, seq, event, sizeof(*ifm), flags);
 	if (nlh == NULL)
-		return -ENOBUFS;
+		return -EMSGSIZE;
 
 	ifm = nlmsg_data(nlh);
 	ifm->ifa_family = AF_DECnet;
@@ -768,7 +768,8 @@
 	return nlmsg_end(skb, nlh);
 
 nla_put_failure:
-	return nlmsg_cancel(skb, nlh);
+	nlmsg_cancel(skb, nlh);
+	return -EMSGSIZE;
 }
 
 static void dn_ifaddr_notify(int event, struct dn_ifaddr *ifa)
@@ -781,9 +782,12 @@
 		goto errout;
 
 	err = dn_nl_fill_ifaddr(skb, ifa, 0, 0, event, 0);
-	/* failure implies BUG in dn_ifaddr_nlmsg_size() */
-	BUG_ON(err < 0);
-
+	if (err < 0) {
+		/* -EMSGSIZE implies BUG in dn_ifaddr_nlmsg_size() */
+		WARN_ON(err == -EMSGSIZE);
+		kfree_skb(skb);
+		goto errout;
+	}
 	err = rtnl_notify(skb, 0, RTNLGRP_DECnet_IFADDR, NULL, GFP_KERNEL);
 errout:
 	if (err < 0)