net: rename skb->iif to skb->skb_iif

To help grep games, rename iif to skb_iif

Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/core/dev.c b/net/core/dev.c
index 9977288..09f3d6b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -2287,7 +2287,7 @@
 	if (MAX_RED_LOOP < ttl++) {
 		printk(KERN_WARNING
 		       "Redir loop detected Dropping packet (%d->%d)\n",
-		       skb->iif, dev->ifindex);
+		       skb->skb_iif, dev->ifindex);
 		return TC_ACT_SHOT;
 	}
 
@@ -2395,8 +2395,8 @@
 	if (netpoll_receive_skb(skb))
 		return NET_RX_DROP;
 
-	if (!skb->iif)
-		skb->iif = skb->dev->ifindex;
+	if (!skb->skb_iif)
+		skb->skb_iif = skb->dev->ifindex;
 
 	null_or_orig = NULL;
 	orig_dev = skb->dev;
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 739b8f4..bfa3e78 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -549,7 +549,7 @@
 #endif
 	new->protocol		= old->protocol;
 	new->mark		= old->mark;
-	new->iif		= old->iif;
+	new->skb_iif		= old->skb_iif;
 	__nf_copy(new, old);
 #if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
     defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
diff --git a/net/netlabel/netlabel_unlabeled.c b/net/netlabel/netlabel_unlabeled.c
index 3dfe2ba..98ed22e 100644
--- a/net/netlabel/netlabel_unlabeled.c
+++ b/net/netlabel/netlabel_unlabeled.c
@@ -1550,7 +1550,7 @@
 	struct netlbl_unlhsh_iface *iface;
 
 	rcu_read_lock();
-	iface = netlbl_unlhsh_search_iface_def(skb->iif);
+	iface = netlbl_unlhsh_search_iface_def(skb->skb_iif);
 	if (iface == NULL)
 		goto unlabel_getattr_nolabel;
 	switch (family) {
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 7974793..d329170 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -185,7 +185,7 @@
 		skb2->tc_verd = SET_TC_FROM(skb2->tc_verd, at);
 
 	skb2->dev = dev;
-	skb2->iif = skb->dev->ifindex;
+	skb2->skb_iif = skb->dev->ifindex;
 	dev_queue_xmit(skb2);
 	err = 0;
 
diff --git a/net/sched/cls_flow.c b/net/sched/cls_flow.c
index 9402a7f..e054c62 100644
--- a/net/sched/cls_flow.c
+++ b/net/sched/cls_flow.c
@@ -171,7 +171,7 @@
 
 static u32 flow_get_iif(const struct sk_buff *skb)
 {
-	return skb->iif;
+	return skb->skb_iif;
 }
 
 static u32 flow_get_priority(const struct sk_buff *skb)