---

yaml --- r: 34738 b: refs/heads/master c: 5f3e6e9 h: refs/heads/master v: v3
git-mirror · Sep 22, 2006 · e08e6fb · e08e6fb
1 parent b75ed38
commit e08e6fb
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Showing 2 changed files with 10 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 74553b09dcd9194cbda737016f0b89f245145670
+refs/heads/master: 5f3e6e9e19f50a6910aec2dbd479187aabba04b7
diff --git a/trunk/net/ipv6/ndisc.c b/trunk/net/ipv6/ndisc.c
@@ -952,6 +952,15 @@ static void ndisc_recv_na(struct sk_buff *skb)
 		if (neigh->nud_state & NUD_FAILED)
 			goto out;
 
+		/*
+		 * Don't update the neighbor cache entry on a proxy NA from
+		 * ourselves because either the proxied node is off link or it
+		 * has already sent a NA to us.
+		 */
+		if (lladdr && !memcmp(lladdr, dev->dev_addr, dev->addr_len) &&
+		    pneigh_lookup(&nd_tbl, &msg->target, dev, 0))
+			goto out;
+
 		neigh_update(neigh, lladdr,
 			     msg->icmph.icmp6_solicited ? NUD_REACHABLE : NUD_STALE,
 			     NEIGH_UPDATE_F_WEAK_OVERRIDE|