net: skb->rtable accessor
Define skb_rtable(const struct sk_buff *skb) accessor to get rtable from skb
Delete skb->rtable field
Setting rtable is not allowed, just set dst instead as rtable is an alias.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 13e9dd30..69dd058 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1354,7 +1354,7 @@
if (net->ipv4.vif_table[vif].dev != skb->dev) {
int true_vifi;
- if (skb->rtable->fl.iif == 0) {
+ if (skb_rtable(skb)->fl.iif == 0) {
/* It is our own packet, looped back.
Very complicated situation...
@@ -1430,7 +1430,7 @@
{
struct mfc_cache *cache;
struct net *net = dev_net(skb->dev);
- int local = skb->rtable->rt_flags&RTCF_LOCAL;
+ int local = skb_rtable(skb)->rt_flags & RTCF_LOCAL;
/* Packet is looped back after forward, it should not be
forwarded second time, but still can be delivered locally.
@@ -1646,7 +1646,7 @@
{
int err;
struct mfc_cache *cache;
- struct rtable *rt = skb->rtable;
+ struct rtable *rt = skb_rtable(skb);
read_lock(&mrt_lock);
cache = ipmr_cache_find(net, rt->rt_src, rt->rt_dst);