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authorrrs <rrs@FreeBSD.org>2013-04-24 18:30:32 +0000
committerrrs <rrs@FreeBSD.org>2013-04-24 18:30:32 +0000
commitd90354b0198e919d53ae959bea342067b74d33b8 (patch)
treec483a219b94e84d2fe3d58e7d44835e01fe009b1
parent4094a2fb730132e8ca6ca3fa3f2f1a5e5582a286 (diff)
downloadFreeBSD-src-d90354b0198e919d53ae959bea342067b74d33b8.zip
FreeBSD-src-d90354b0198e919d53ae959bea342067b74d33b8.tar.gz
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
-rw-r--r--sys/netinet/ip_output.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c
index fd418e9..120fe22 100644
--- a/sys/netinet/ip_output.c
+++ b/sys/netinet/ip_output.c
@@ -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,
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