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Add call to splsoftnet() in rt_timer_timer to avoid possible race

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condition in deleting timer queue (PMTU) entries.
This commit is contained in:
kml 1998-10-28 05:01:11 +00:00
parent 558bc32937
commit afd8d9361f
1 changed files with 8 additions and 5 deletions
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13
sys/net/route.c
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@ -1,4 +1,4 @@
/* $NetBSD: route.c,v 1.20 1998/08/15 03:17:21 thorpej Exp $ */
/* $NetBSD: route.c,v 1.21 1998/10/28 05:01:11 kml Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -744,11 +744,12 @@ rt_timer_timer(arg)
struct rttimer *r, *rttimer;
struct rttimer_queue *rtq;
long current_time;
int s;
s = splclock();
int s = splsoftnet();
int t;
t = splclock();
current_time = mono_time.tv_sec;
splx(s);
splx(t);
for (rtq = LIST_FIRST(&rttimer_queue_head); rtq != NULL;
rtq = LIST_NEXT(rtq, rtq_link)) {
@ -765,4 +766,6 @@ rt_timer_timer(arg)
}
timeout(rt_timer_timer, NULL, hz); /* every second */
splx(s);
}