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>

1 files changed, 3 insertions, 3 deletions

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)