net: use symbolic values for ndo_start_xmit() return codes

Convert magic values 1 and -1 to NETDEV_TX_BUSY and NETDEV_TX_LOCKED respectively.

0 (NETDEV_TX_OK) is not changed to keep the noise down, except in very few cases
where its in direct proximity to one of the other values.

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

3 files changed, 3 insertions, 3 deletions

diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 364222bfb10d..d238a8939a09 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1615,7 +1615,7 @@ int ieee80211_subif_start_xmit(struct sk_buff *skb,
 {
         struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
         struct ieee80211_local *local = sdata->local;
-        int ret = 1, head_need;
+        int ret = NETDEV_TX_BUSY, head_need;
         u16 ethertype, hdrlen,  meshhdrlen = 0;
         __le16 fc;
         struct ieee80211_hdr hdr;
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 7dcf2569613b..389d6e0d7740 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -137,7 +137,7 @@ static int rose_xmit(struct sk_buff *skb, struct net_device *dev)
 
         if (!netif_running(dev)) {
                 printk(KERN_ERR "ROSE: rose_xmit - called when iface is down\n");
-                return 1;
+                return NETDEV_TX_BUSY;
         }
         dev_kfree_skb(skb);
         stats->tx_errors++;
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index cb1cb1e76b9a..9c002b6e0533 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -338,7 +338,7 @@ restart:
 
         if (busy) {
                 netif_stop_queue(dev);
-                return 1;
+                return NETDEV_TX_BUSY;
         }
         dev->stats.tx_errors++;