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authorJiri Pirko <jpirko@redhat.com>2010-02-24 23:57:04 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-26 04:18:34 -0800
commit914c8ad2d18b62ad1420f518c0cab0b0b90ab308 (patch)
tree1e2d35a5dd2c1dcba1cc02f9c022ce923dc12d9f /net/packet
parent2a3f279034b46204b50408aa2c25ee0882120147 (diff)
af_packet: do not accept mc address smaller then dev->addr_len in packet_mc_add()
There is no point of accepting an address of smaller length than dev->addr_len here. Therefore change this for stonger check. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/packet')
-rw-r--r--net/packet/af_packet.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 2f0369367ee0..e2d1def70841 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1734,7 +1734,7 @@ 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;

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