svn commit: r196410 - head/sys/netinet
Peter Wemm
peter at FreeBSD.org
Thu Aug 20 22:53:29 UTC 2009
Author: peter
Date: Thu Aug 20 22:53:28 2009
New Revision: 196410
URL: http://svn.freebsd.org/changeset/base/196410
Log:
Fix signed comparison bug when ticks goes negative after 24 days of
uptime. This causes the tcp time_wait state code to fail to expire
sockets in timewait state.
Approved by: re (kensmith)
Modified:
head/sys/netinet/tcp_timewait.c
Modified: head/sys/netinet/tcp_timewait.c
==============================================================================
--- head/sys/netinet/tcp_timewait.c Thu Aug 20 22:39:20 2009 (r196409)
+++ head/sys/netinet/tcp_timewait.c Thu Aug 20 22:53:28 2009 (r196410)
@@ -603,7 +603,7 @@ tcp_tw_2msl_scan(int reuse)
INP_INFO_WLOCK_ASSERT(&V_tcbinfo);
for (;;) {
tw = TAILQ_FIRST(&V_twq_2msl);
- if (tw == NULL || (!reuse && tw->tw_time > ticks))
+ if (tw == NULL || (!reuse && (tw->tw_time - ticks) > 0))
break;
INP_WLOCK(tw->tw_inpcb);
tcp_twclose(tw, reuse);
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