Author: rrs
Date: Wed Apr 24 18:30:32 2013
New Revision: 249848
URL: http://svnweb.freebsd.org/changeset/base/249848
Log:
This fixes the issue with the "randomly changing" default
route. What it was is there are two places in ip_output.c
where we do a goto again. One place was fine, it
copies out the new address and then resets dst = ro->rt_dst;
But the other place does *not* do that, which means earlier
when we found the gateway, we have dst pointing there
aka dst = ro->rt_gateway is done.. then we do a
goto again.. bam now we clobber the default route.
The fix is just to move the again so we are always
doing dst = &ro->rt_dst; in the again loop.
PR: 174749,157796
MFC after: 1 week
Modified:
head/sys/netinet/ip_output.c
Modified: head/sys/netinet/ip_output.c
==============================================================================
--- head/sys/netinet/ip_output.c Wed Apr 24 18:00:28 2013
(r249847)
+++ head/sys/netinet/ip_output.c Wed Apr 24 18:30:32 2013
(r249848)
@@ -196,8 +196,8 @@ ip_output(struct mbuf *m, struct mbuf *o
hlen = ip->ip_hl << 2;
}
- dst = (struct sockaddr_in *)&ro->ro_dst;
again:
+ dst = (struct sockaddr_in *)&ro->ro_dst;
ia = NULL;
/*
* If there is a cached route,
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