[PATCH] bug in ARP override timer near jiffies wrap
From: David Stevens <hidden>
Date: 2004-05-07 20:01:10
This patch fixes the calculation of "override" in ARP.
+-DLS
--- linux-2.6.6-rc2F1/net/ipv4/arp.c 2004-04-21 15:47:55.000000000
-0700
+++ linux-2.6.6-rc2F2/net/ipv4/arp.c 2004-05-07 12:54:34.898406424
-0700@@ -891,15 +891,14 @@ if (n) { int state = NUD_REACHABLE; - int override = 0; + int override; /* If several different ARP replies follows back-to-back, use the FIRST one. It is possible, if several proxy agents are active. Taking the first reply prevents arp trashing and chooses the fastest router. */ - if (jiffies - n->updated >= n->parms->locktime) - override = 1; + override = time_after(jiffies, n->updated +
n->parms->locktime);
/* Broadcast replies and request packets
do not assert neighbour reachability.
Attachments
- arpfix.patch [application/octet-stream] 712 bytes · preview