---

yaml --- r: 187906 b: refs/heads/master c: 1162563 h: refs/heads/master v: v3
git-mirror · Mar 3, 2010 · 4baebb1 · 4baebb1
1 parent a898d08
commit 4baebb1
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9fe969345b10931319b3f1e7034fbdeb786de234
+refs/heads/master: 1162563f82b434e3099c9e6c1bbdba846d792f0d
diff --git a/trunk/net/packet/af_packet.c b/trunk/net/packet/af_packet.c
@@ -1688,6 +1688,8 @@ static int packet_dev_mc(struct net_device *dev, struct packet_mclist *i,
 {
 	switch (i->type) {
 	case PACKET_MR_MULTICAST:
+		if (i->alen != dev->addr_len)
+			return -EINVAL;
 		if (what > 0)
 			return dev_mc_add(dev, i->addr, i->alen, 0);
 		else
@@ -1700,6 +1702,8 @@ static int packet_dev_mc(struct net_device *dev, struct packet_mclist *i,
 		return dev_set_allmulti(dev, what);
 		break;
 	case PACKET_MR_UNICAST:
+		if (i->alen != dev->addr_len)
+			return -EINVAL;
 		if (what > 0)
 			return dev_unicast_add(dev, i->addr);
 		else
@@ -1734,7 +1738,7 @@ static int packet_mc_add(struct sock *sk, struct packet_mreq_max *mreq)
 		goto done;
 
 	err = -EINVAL;
-	if (mreq->mr_alen != dev->addr_len)
+	if (mreq->mr_alen > dev->addr_len)
 		goto done;
 
 	err = -ENOBUFS;