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authorMark Brown <broonie@opensource.wolfsonmicro.com>2010-03-22 11:17:26 +0000
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-03-22 11:17:26 +0000
commitf9b44121b34174ae4f243a568393fc3225842e75 (patch)
tree943f68cd7458d08a9e8809ed0a10b71b23911f3e /net/packet
parent8727b909bb2348d29e62c599cd7a5d610da3760f (diff)
parent220bf991b0366cc50a94feede3d7341fa5710ee4 (diff)
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Merge commit 'v2.6.34-rc2' into for-2.6.34
Diffstat (limited to 'net/packet')
-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;