net: use NETDEV_TX_OK instead of 0 in ndo_start_xmit() functions

This patch is the result of an automatic spatch transformation to convert
all ndo_start_xmit() return values of 0 to NETDEV_TX_OK.

Some occurences are missed by the automatic conversion, those will be
handled in a seperate patch.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

16 files changed, 39 insertions, 39 deletions

diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index 2912665fc58c..848af113ba2a 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -238,7 +238,7 @@ static int br2684_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 /* netif_stop_queue(dev); */
                 dev_kfree_skb(skb);
                 read_unlock(&devs_lock);
-                return 0;
+                return NETDEV_TX_OK;
         }
         if (!br2684_xmit_vcc(skb, dev, brvcc)) {
                 /*
@@ -252,7 +252,7 @@ static int br2684_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 dev->stats.tx_fifo_errors++;
         }
         read_unlock(&devs_lock);
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 /*
diff --git a/net/atm/clip.c b/net/atm/clip.c
index e65a3b1477f8..64910bb86089 100644
--- a/net/atm/clip.c
+++ b/net/atm/clip.c
@@ -373,7 +373,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 printk(KERN_ERR "clip_start_xmit: skb_dst(skb) == NULL\n");
                 dev_kfree_skb(skb);
                 dev->stats.tx_dropped++;
-                return 0;
+                return NETDEV_TX_OK;
         }
         if (!skb_dst(skb)->neighbour) {
 #if 0
@@ -387,7 +387,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 printk(KERN_ERR "clip_start_xmit: NO NEIGHBOUR !\n");
                 dev_kfree_skb(skb);
                 dev->stats.tx_dropped++;
-                return 0;
+                return NETDEV_TX_OK;
         }
         entry = NEIGH2ENTRY(skb_dst(skb)->neighbour);
         if (!entry->vccs) {
@@ -402,7 +402,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         dev_kfree_skb(skb);
                         dev->stats.tx_dropped++;
                 }
-                return 0;
+                return NETDEV_TX_OK;
         }
         pr_debug("neigh %p, vccs %p\n", entry, entry->vccs);
         ATM_SKB(skb)->vcc = vcc = entry->vccs->vcc;
@@ -421,14 +421,14 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
         old = xchg(&entry->vccs->xoff, 1);      /* assume XOFF ... */
         if (old) {
                 printk(KERN_WARNING "clip_start_xmit: XOFF->XOFF transition\n");
-                return 0;
+                return NETDEV_TX_OK;
         }
         dev->stats.tx_packets++;
         dev->stats.tx_bytes += skb->len;
         vcc->send(vcc, skb);
         if (atm_may_send(vcc, 0)) {
                 entry->vccs->xoff = 0;
-                return 0;
+                return NETDEV_TX_OK;
         }
         spin_lock_irqsave(&clip_priv->xoff_lock, flags);
         netif_stop_queue(dev);  /* XOFF -> throttle immediately */
@@ -440,7 +440,7 @@ static int clip_start_xmit(struct sk_buff *skb, struct net_device *dev)
            of the brief netif_stop_queue. If this isn't true or if it
            changes, use netif_wake_queue instead. */
         spin_unlock_irqrestore(&clip_priv->xoff_lock, flags);
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static int clip_mkip(struct atm_vcc *vcc, int timeout)
diff --git a/net/atm/lec.c b/net/atm/lec.c
index ff2e594dca9b..c463868c993b 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -289,7 +289,7 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
                 kfree_skb(skb);
                 if (skb2 == NULL)
-                        return 0;
+                        return NETDEV_TX_OK;
                 skb = skb2;
         }
         skb_push(skb, 2);
@@ -307,7 +307,7 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
                 skb2 = skb_realloc_headroom(skb, LEC_HEADER_LEN);
                 kfree_skb(skb);
                 if (skb2 == NULL)
-                        return 0;
+                        return NETDEV_TX_OK;
                 skb = skb2;
         }
 #endif
@@ -345,7 +345,7 @@ static int lec_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         dev_kfree_skb(skb);
                         if (skb2 == NULL) {
                                 dev->stats.tx_dropped++;
-                                return 0;
+                                return NETDEV_TX_OK;
                         }
                         skb = skb2;
                 }
@@ -416,7 +416,7 @@ out:
         if (entry)
                 lec_arp_put(entry);
         dev->trans_start = jiffies;
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 /* The inverse routine to net_open(). */
diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c
index d7a0e9722def..9c42990126a0 100644
--- a/net/bluetooth/bnep/netdev.c
+++ b/net/bluetooth/bnep/netdev.c
@@ -175,14 +175,14 @@ static int bnep_net_xmit(struct sk_buff *skb, struct net_device *dev)
 #ifdef CONFIG_BT_BNEP_MC_FILTER
         if (bnep_net_mc_filter(skb, s)) {
                 kfree_skb(skb);
-                return 0;
+                return NETDEV_TX_OK;
         }
 #endif
 
 #ifdef CONFIG_BT_BNEP_PROTO_FILTER
         if (bnep_net_proto_filter(skb, s)) {
                 kfree_skb(skb);
-                return 0;
+                return NETDEV_TX_OK;
         }
 #endif
 
@@ -203,7 +203,7 @@ static int bnep_net_xmit(struct sk_buff *skb, struct net_device *dev)
                 netif_stop_queue(dev);
         }
 
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static const struct net_device_ops bnep_netdev_ops = {
diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index 18538d7460d7..15d43ba86b53 100644
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -39,7 +39,7 @@ int br_dev_xmit(struct sk_buff *skb, struct net_device *dev)
         else
                 br_flood_deliver(br, skb);
 
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static int br_dev_open(struct net_device *dev)
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index 44e2a3d2359a..cd85ebc119a5 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -821,7 +821,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
                         stats->tx_dropped++;
                         dev_kfree_skb(skb);
                         tunnel->recursion--;
-                        return 0;
+                        return NETDEV_TX_OK;
                 }
                 if (skb->sk)
                         skb_set_owner_w(new_skb, skb->sk);
@@ -889,7 +889,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 
         IPTUNNEL_XMIT();
         tunnel->recursion--;
-        return 0;
+        return NETDEV_TX_OK;
 
 tx_error_icmp:
         dst_link_failure(skb);
@@ -898,7 +898,7 @@ tx_error:
         stats->tx_errors++;
         dev_kfree_skb(skb);
         tunnel->recursion--;
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static int ipgre_tunnel_bind_dev(struct net_device *dev)
diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 93e2b787da20..98075b6d619c 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -486,7 +486,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
                         stats->tx_dropped++;
                         dev_kfree_skb(skb);
                         tunnel->recursion--;
-                        return 0;
+                        return NETDEV_TX_OK;
                 }
                 if (skb->sk)
                         skb_set_owner_w(new_skb, skb->sk);
@@ -524,7 +524,7 @@ static int ipip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 
         IPTUNNEL_XMIT();
         tunnel->recursion--;
-        return 0;
+        return NETDEV_TX_OK;
 
 tx_error_icmp:
         dst_link_failure(skb);
@@ -532,7 +532,7 @@ tx_error:
         stats->tx_errors++;
         dev_kfree_skb(skb);
         tunnel->recursion--;
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static void ipip_tunnel_bind_dev(struct net_device *dev)
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 9a8da5ed92b7..06c33fb6b321 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -212,7 +212,7 @@ static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
                           IGMPMSG_WHOLEPKT);
         read_unlock(&mrt_lock);
         kfree_skb(skb);
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static const struct net_device_ops reg_vif_netdev_ops = {
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c
index 51f410e7775a..a1d6045c4694 100644
--- a/net/ipv6/ip6_tunnel.c
+++ b/net/ipv6/ip6_tunnel.c
@@ -1063,14 +1063,14 @@ ip6_tnl_xmit(struct sk_buff *skb, struct net_device *dev)
                 goto tx_err;
 
         t->recursion--;
-        return 0;
+        return NETDEV_TX_OK;
 
 tx_err:
         stats->tx_errors++;
         stats->tx_dropped++;
         kfree_skb(skb);
         t->recursion--;
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static void ip6_tnl_set_cap(struct ip6_tnl *t)
diff --git a/net/ipv6/ip6mr.c b/net/ipv6/ip6mr.c
index c769f155c698..07ded5075b33 100644
--- a/net/ipv6/ip6mr.c
+++ b/net/ipv6/ip6mr.c
@@ -427,7 +427,7 @@ static int reg_vif_xmit(struct sk_buff *skb, struct net_device *dev)
                            MRT6MSG_WHOLEPKT);
         read_unlock(&mrt_lock);
         kfree_skb(skb);
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static const struct net_device_ops reg_vif_netdev_ops = {
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 68e52308e552..d0b850590faf 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -753,7 +753,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
                         stats->tx_dropped++;
                         dev_kfree_skb(skb);
                         tunnel->recursion--;
-                        return 0;
+                        return NETDEV_TX_OK;
                 }
                 if (skb->sk)
                         skb_set_owner_w(new_skb, skb->sk);
@@ -794,7 +794,7 @@ static int ipip6_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
 
         IPTUNNEL_XMIT();
         tunnel->recursion--;
-        return 0;
+        return NETDEV_TX_OK;
 
 tx_error_icmp:
         dst_link_failure(skb);
@@ -802,7 +802,7 @@ tx_error:
         stats->tx_errors++;
         dev_kfree_skb(skb);
         tunnel->recursion--;
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static void ipip6_tunnel_bind_dev(struct net_device *dev)
diff --git a/net/irda/irlan/irlan_eth.c b/net/irda/irlan/irlan_eth.c
index 724bcf951b80..64230cffcfee 100644
--- a/net/irda/irlan/irlan_eth.c
+++ b/net/irda/irlan/irlan_eth.c
@@ -177,7 +177,7 @@ static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev)
 
                 /* Did the realloc succeed? */
                 if (new_skb == NULL)
-                        return 0;
+                        return NETDEV_TX_OK;
 
                 /* Use the new skb instead */
                 skb = new_skb;
@@ -209,7 +209,7 @@ static int irlan_eth_xmit(struct sk_buff *skb, struct net_device *dev)
                 self->stats.tx_bytes += skb->len;
         }
 
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 /*
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index 351372463fed..c7b7838a0519 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -177,13 +177,13 @@ static int nr_xmit(struct sk_buff *skb, struct net_device *dev)
         if (!nr_route_frame(skb, NULL)) {
                 kfree_skb(skb);
                 stats->tx_errors++;
-                return 0;
+                return NETDEV_TX_OK;
         }
 
         stats->tx_packets++;
         stats->tx_bytes += len;
 
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static const struct header_ops nr_header_ops = {
diff --git a/net/phonet/pep-gprs.c b/net/phonet/pep-gprs.c
index 480839dfc560..4667af51ed71 100644
--- a/net/phonet/pep-gprs.c
+++ b/net/phonet/pep-gprs.c
@@ -195,7 +195,7 @@ static int gprs_xmit(struct sk_buff *skb, struct net_device *dev)
                 break;
         default:
                 dev_kfree_skb(skb);
-                return 0;
+                return NETDEV_TX_OK;
         }
 
         skb_orphan(skb);
@@ -215,7 +215,7 @@ static int gprs_xmit(struct sk_buff *skb, struct net_device *dev)
         netif_stop_queue(dev);
         if (pep_writeable(sk))
                 netif_wake_queue(dev);
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static int gprs_set_mtu(struct net_device *dev, int new_mtu)
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 389d6e0d7740..c711e2edf5ce 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -141,7 +141,7 @@ static int rose_xmit(struct sk_buff *skb, struct net_device *dev)
         }
         dev_kfree_skb(skb);
         stats->tx_errors++;
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static const struct header_ops rose_header_ops = {
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index 9c002b6e0533..12434b6c2042 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -314,7 +314,7 @@ restart:
                                         netif_wake_queue(dev);
                                         txq->tx_packets++;
                                         txq->tx_bytes += length;
-                                        return 0;
+                                        return NETDEV_TX_OK;
                                 }
                                 __netif_tx_unlock(slave_txq);
                         }
@@ -323,7 +323,7 @@ restart:
                         break;
                 case 1:
                         master->slaves = NEXT_SLAVE(q);
-                        return 0;
+                        return NETDEV_TX_OK;
                 default:
                         nores = 1;
                         break;
@@ -345,7 +345,7 @@ restart:
 drop:
         txq->tx_dropped++;
         dev_kfree_skb(skb);
-        return 0;
+        return NETDEV_TX_OK;
 }
 
 static int teql_master_open(struct net_device *dev)