[NET]: Remove explicit initializations of skb->input_dev

Instead, set it in one place, namely the beginning of
netif_receive_skb().

Based upon suggestions from Jamal Hadi Salim.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index f30e8e6..96c115e 100644 (file)
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1786,7 +1786,6 @@ isdn_net_receive(struct net_device *ndev, struct sk_buff *skb)
                lp->stats.rx_bytes += skb->len;
        }
        skb->dev = ndev;
-       skb->input_dev = ndev;
        skb->pkt_type = PACKET_HOST;
        skb->mac.raw = skb->data;
 #ifdef ISDN_DEBUG_NET_DUMP

diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 260a323..d97a9be 100644 (file)
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -1177,7 +1177,6 @@ isdn_ppp_push_higher(isdn_net_dev * net_dev, isdn_net_local * lp, struct sk_buff
                mlp->huptimer = 0;
 #endif /* CONFIG_IPPP_FILTER */
        skb->dev = dev;
-       skb->input_dev = dev;
        skb->mac.raw = skb->data;
        netif_rx(skb);
        /* net_dev->local->stats.rx_packets++; done in isdn_net.c */

diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index a32668e..bb71638 100644 (file)
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -1657,7 +1657,6 @@ ppp_receive_nonmp_frame(struct ppp *ppp, struct sk_buff *skb)
                        skb->dev = ppp->dev;
                        skb->protocol = htons(npindex_to_ethertype[npi]);
                        skb->mac.raw = skb->data;
-                       skb->input_dev = ppp->dev;
                        netif_rx(skb);
                        ppp->dev->last_rx = jiffies;
                }

diff --git a/include/net/pkt_cls.h b/include/net/pkt_cls.h
index 4abda6a..b902d24 100644 (file)
--- a/include/net/pkt_cls.h
+++ b/include/net/pkt_cls.h
@@ -352,10 +352,10 @@ tcf_change_indev(struct tcf_proto *tp, char *indev, struct rtattr *indev_tlv)
 static inline int
 tcf_match_indev(struct sk_buff *skb, char *indev)
 {
-       if (0 != indev[0]) {
-               if  (NULL == skb->input_dev)
+       if (indev[0]) {
+               if  (!skb->input_dev)
                        return 0;
-               else if (0 != strcmp(indev, skb->input_dev->name))
+               if (strcmp(indev, skb->input_dev->name))
                        return 0;
        }
 

diff --git a/include/net/x25device.h b/include/net/x25device.h
index d45ae88..1a31837 100644 (file)
--- a/include/net/x25device.h
+++ b/include/net/x25device.h
@@ -8,7 +8,6 @@
 static inline __be16 x25_type_trans(struct sk_buff *skb, struct net_device *dev)
 {
        skb->mac.raw = skb->data;
-       skb->input_dev = skb->dev = dev;
        skb->pkt_type = PACKET_HOST;
        
        return htons(ETH_P_X25);

diff --git a/net/core/dev.c b/net/core/dev.c
index e1cc162..9d153eb 100644 (file)
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1536,17 +1536,14 @@ static int ing_filter(struct sk_buff *skb)
                __u32 ttl = (__u32) G_TC_RTTL(skb->tc_verd);
                if (MAX_RED_LOOP < ttl++) {
                        printk("Redir loop detected Dropping packet (%s->%s)\n",
-                               skb->input_dev?skb->input_dev->name:"??",skb->dev->name);
+                               skb->input_dev->name, skb->dev->name);
                        return TC_ACT_SHOT;
                }
 
                skb->tc_verd = SET_TC_RTTL(skb->tc_verd,ttl);
 
                skb->tc_verd = SET_TC_AT(skb->tc_verd,AT_INGRESS);
-               if (NULL == skb->input_dev) {
-                       skb->input_dev = skb->dev;
-                       printk("ing_filter:  fixed  %s out %s\n",skb->input_dev->name,skb->dev->name);
-               }
+
                spin_lock(&dev->ingress_lock);
                if ((q = dev->qdisc_ingress) != NULL)
                        result = q->enqueue(skb, q);
@@ -1572,6 +1569,9 @@ int netif_receive_skb(struct sk_buff *skb)
        if (!skb->stamp.tv_sec)
                net_timestamp(&skb->stamp);
 
+       if (!skb->input_dev)
+               skb->input_dev = skb->dev;
+
        orig_dev = skb_bond(skb);
 
        __get_cpu_var(netdev_rx_stat).total++;

diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index f6dbfb9..f444a2f 100644 (file)
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -163,7 +163,6 @@ __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev)
        skb->mac.raw=skb->data;
        skb_pull(skb,ETH_HLEN);
        eth = eth_hdr(skb);
-       skb->input_dev = dev;
        
        if(*eth->h_dest&1)
        {