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authorJames Morris <jmorris@namei.org>2010-03-31 08:39:27 +1100
committerJames Morris <jmorris@namei.org>2010-03-31 08:39:27 +1100
commitd25d6fa1a95f465ff1ec4458ca15e30b2c8dffec (patch)
tree7362b182dedd825fc762ef7706830837e42943af /net/packet/af_packet.c
parent225a9be24d799aa16d543c31fb09f0c9ed1d9caa (diff)
parent2eaa9cfdf33b8d7fb7aff27792192e0019ae8fc6 (diff)
Merge branch 'master' into next
Diffstat (limited to 'net/packet/af_packet.c')
-rw-r--r--net/packet/af_packet.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 031a5e6fb4a..1612d417d10 100644
--- a/net/packet/af_packet.c
+++ b/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;