ipv4: Pass explicit saddr/daddr args to ipmr_get_route().
This eliminates the need to use rt->rt_{src,dst}.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 86033b7..30a7763 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -2041,20 +2041,20 @@
return -EMSGSIZE;
}
-int ipmr_get_route(struct net *net,
- struct sk_buff *skb, struct rtmsg *rtm, int nowait)
+int ipmr_get_route(struct net *net, struct sk_buff *skb,
+ __be32 saddr, __be32 daddr,
+ struct rtmsg *rtm, int nowait)
{
- int err;
- struct mr_table *mrt;
struct mfc_cache *cache;
- struct rtable *rt = skb_rtable(skb);
+ struct mr_table *mrt;
+ int err;
mrt = ipmr_get_table(net, RT_TABLE_DEFAULT);
if (mrt == NULL)
return -ENOENT;
rcu_read_lock();
- cache = ipmr_cache_find(mrt, rt->rt_src, rt->rt_dst);
+ cache = ipmr_cache_find(mrt, saddr, daddr);
if (cache == NULL) {
struct sk_buff *skb2;
@@ -2087,8 +2087,8 @@
skb_reset_network_header(skb2);
iph = ip_hdr(skb2);
iph->ihl = sizeof(struct iphdr) >> 2;
- iph->saddr = rt->rt_src;
- iph->daddr = rt->rt_dst;
+ iph->saddr = saddr;
+ iph->daddr = daddr;
iph->version = 0;
err = ipmr_cache_unresolved(mrt, vif, skb2);
read_unlock(&mrt_lock);