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authorJonas Danielsson <the.sator@gmail.com>2007-11-20 17:38:16 -0800
committerDavid S. Miller <davem@davemloft.net>2007-11-20 17:38:16 -0800
commitb4a9811c42ecb70b2f0b375f6d4c77ab34d1f598 (patch)
tree84cb96d0195a995b6d5bd5ca31c6c270e6097dbc /net/ipv4/arp.c
parent77adefdc9863d63f8d8bdc6a9adcdf9a6b0e2410 (diff)
[ARP]: Fix arp reply when sender ip 0
Fix arp reply when received arp probe with sender ip 0. Send arp reply with target ip address 0.0.0.0 and target hardware address set to hardware address of requester. Previously sent reply with target ip address and target hardware address set to same as source fields. Signed-off-by: Jonas Danielsson <the.sator@gmail.com> Acked-by: Alexey Kuznetov <kuznet@ms2.inr.ac.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/arp.c')
-rw-r--r--net/ipv4/arp.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 36d6798947b5..15ca729f7084 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -828,7 +828,8 @@ static int arp_process(struct sk_buff *skb)
if (arp->ar_op == htons(ARPOP_REQUEST) &&
inet_addr_type(tip) == RTN_LOCAL &&
!arp_ignore(in_dev,dev,sip,tip))
- arp_send(ARPOP_REPLY,ETH_P_ARP,tip,dev,tip,sha,dev->dev_addr,dev->dev_addr);
+ arp_send(ARPOP_REPLY, ETH_P_ARP, sip, dev, tip, sha,
+ dev->dev_addr, sha);
goto out;
}

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