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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
parent77adefdc9863d63f8d8bdc6a9adcdf9a6b0e2410 (diff)
downloadop-kernel-dev-b4a9811c42ecb70b2f0b375f6d4c77ab34d1f598.zip
op-kernel-dev-b4a9811c42ecb70b2f0b375f6d4c77ab34d1f598.tar.gz
[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')
-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 36d6798..15ca729 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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