svn commit: r196562 - stable/6/sys/netinet

[Peter Wemm]

Author: peter
Date: Wed Aug 26 19:50:27 2009
New Revision: 196562
URL: http://svn.freebsd.org/changeset/base/196562

Log:
  MFC: r196410: fix timewait expiration code when ticks goes negative after
  24 days of uptime.

Modified:
  stable/6/sys/netinet/tcp_timer.c

Modified: stable/6/sys/netinet/tcp_timer.c
==============================================================================
--- stable/6/sys/netinet/tcp_timer.c	Wed Aug 26 19:45:17 2009	(r196561)
+++ stable/6/sys/netinet/tcp_timer.c	Wed Aug 26 19:50:27 2009	(r196562)
@@ -247,7 +247,7 @@ tcp_timer_2msl_tw(int reuse)
 	INP_INFO_WLOCK_ASSERT(&tcbinfo);
 	for (;;) {
 		tw = TAILQ_FIRST(&twq_2msl);
-		if (tw == NULL || (!reuse && tw->tw_time > ticks))
+		if (tw == NULL || (!reuse && (int)(tw->tw_time - ticks) > 0))
 			break;
 		INP_LOCK(tw->tw_inpcb);
 		tcp_twclose(tw, reuse);