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ipvs: Eliminate rt->rt_dst usage in __ip_vs_get_out_rt(). 

We can simply track what destination address is used based upon which
code block is taken at the top of the function.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2011-05-09 14:38:06 -07:00
parent e58b34425b
commit 44e3125ccd
1 changed files with 4 additions and 3 deletions
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7
net/netfilter/ipvs/ip_vs_xmit.c
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@ -110,6 +110,7 @@ __ip_vs_get_out_rt(struct sk_buff *skb, struct ip_vs_dest *dest,
&dest->addr.ip,
atomic_read(&rt->dst.__refcnt), rtos);
}
daddr = dest->addr.ip;
spin_unlock(&dest->dst_lock);
} else {
rt = ip_route_output(net, daddr, 0, rtos, 0);
@ -125,7 +126,7 @@ __ip_vs_get_out_rt(struct sk_buff *skb, struct ip_vs_dest *dest,
rt_mode)) {
IP_VS_DBG_RL("Stopping traffic to %s address, dest: %pI4\n",
(rt->rt_flags & RTCF_LOCAL) ?
"local":"non-local", &rt->rt_dst);
"local":"non-local", &daddr);
ip_rt_put(rt);
return NULL;
}
@ -133,14 +134,14 @@ __ip_vs_get_out_rt(struct sk_buff *skb, struct ip_vs_dest *dest,
!((ort = skb_rtable(skb)) && ort->rt_flags & RTCF_LOCAL)) {
IP_VS_DBG_RL("Redirect from non-local address %pI4 to local "
"requires NAT method, dest: %pI4\n",
&ip_hdr(skb)->daddr, &rt->rt_dst);
&ip_hdr(skb)->daddr, &daddr);
ip_rt_put(rt);
return NULL;
}
if (unlikely(!local && ipv4_is_loopback(ip_hdr(skb)->saddr))) {
IP_VS_DBG_RL("Stopping traffic from loopback address %pI4 "
"to non-local address, dest: %pI4\n",
&ip_hdr(skb)->saddr, &rt->rt_dst);
&ip_hdr(skb)->saddr, &daddr);
ip_rt_put(rt);
return NULL;
}