diff options
| author | Jiri Pirko <jpirko@redhat.com> | 2010-02-24 23:57:04 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-02-26 04:18:34 -0800 |
| commit | 914c8ad2d18b62ad1420f518c0cab0b0b90ab308 (patch) | |
| tree | 1e2d35a5dd2c1dcba1cc02f9c022ce923dc12d9f /net/packet | |
| parent | 2a3f279034b46204b50408aa2c25ee0882120147 (diff) | |
| download | lwn-914c8ad2d18b62ad1420f518c0cab0b0b90ab308.tar.gz lwn-914c8ad2d18b62ad1420f518c0cab0b0b90ab308.zip | |
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.c | 2 |
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; |