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This fixes the issue with the "randomly changing" default

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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
This commit is contained in:
Randall Stewart 2013-04-24 18:30:32 +00:00
parent 3a74eaf28f
commit 0be23a54cf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=249848
1 changed files with 1 additions and 1 deletions
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2
sys/netinet/ip_output.c
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@ -196,8 +196,8 @@ ip_output(struct mbuf *m, struct mbuf *opt, struct route *ro, int flags,
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,