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ipv4: Pass explicit destination address to rt_bind_peer().

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Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
2011-05-18 18:42:43 -04:00
parent ed2361e66e
commit a48eff1288
4 changed files with 15 additions and 15 deletions
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16
net/ipv4/route.c
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@@ -156,7 +156,7 @@ static u32 *ipv4_cow_metrics(struct dst_entry *dst, unsigned long old)
u32 *p = NULL;
if (!rt->peer)
rt_bind_peer(rt, 1);
rt_bind_peer(rt, rt->rt_dst, 1);
peer = rt->peer;
if (peer) {
@@ -1193,11 +1193,11 @@ static u32 rt_peer_genid(void)
return atomic_read(&__rt_peer_genid);
}
void rt_bind_peer(struct rtable *rt, int create)
void rt_bind_peer(struct rtable *rt, __be32 daddr, int create)
{
struct inet_peer *peer;
peer = inet_getpeer_v4(rt->rt_dst, create);
peer = inet_getpeer_v4(daddr, create);
if (peer && cmpxchg(&rt->peer, NULL, peer) != NULL)
inet_putpeer(peer);
@@ -1231,7 +1231,7 @@ void __ip_select_ident(struct iphdr *iph, struct dst_entry *dst, int more)
if (rt) {
if (rt->peer == NULL)
rt_bind_peer(rt, 1);
rt_bind_peer(rt, rt->rt_dst, 1);
/* If peer is attached to destination, it is never detached,
so that we need not to grab a lock to dereference it.
@@ -1377,7 +1377,7 @@ void ip_rt_send_redirect(struct sk_buff *skb)
rcu_read_unlock();
if (!rt->peer)
rt_bind_peer(rt, 1);
rt_bind_peer(rt, rt->rt_dst, 1);
peer = rt->peer;
if (!peer) {
icmp_send(skb, ICMP_REDIRECT, ICMP_REDIR_HOST, rt->rt_gateway);
@@ -1445,7 +1445,7 @@ static int ip_error(struct sk_buff *skb)
}
if (!rt->peer)
rt_bind_peer(rt, 1);
rt_bind_peer(rt, rt->rt_dst, 1);
peer = rt->peer;
send = true;
@@ -1552,7 +1552,7 @@ static void ip_rt_update_pmtu(struct dst_entry *dst, u32 mtu)
dst_confirm(dst);
if (!rt->peer)
rt_bind_peer(rt, 1);
rt_bind_peer(rt, rt->rt_dst, 1);
peer = rt->peer;
if (peer) {
if (mtu < ip_rt_min_pmtu)
@@ -1609,7 +1609,7 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
struct inet_peer *peer;
if (!rt->peer)
rt_bind_peer(rt, 0);
rt_bind_peer(rt, rt->rt_dst, 0);
peer = rt->peer;
if (peer && peer->pmtu_expires)