net: convert remaining non-symbolic return values in ndo_start_xmit() functions

This patch converts the remaining occurences of raw return values to their
symbolic counterparts in ndo_start_xmit() functions that were missed by the
previous automatic conversion.

Additionally code that assumed the symbolic value of NETDEV_TX_OK to be zero
is changed to explicitly use NETDEV_TX_OK.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/irda/ali-ircc.c b/drivers/net/irda/ali-ircc.c
index 7098357..f0d0cea 100644
--- a/drivers/net/irda/ali-ircc.c
+++ b/drivers/net/irda/ali-ircc.c
@@ -1966,10 +1966,10 @@
 	
 	IRDA_DEBUG(2, "%s(), ---------------- Start ----------------\n", __func__ );
 	
-	IRDA_ASSERT(dev != NULL, return 0;);
+	IRDA_ASSERT(dev != NULL, return NETDEV_TX_OK;);
 	
 	self = netdev_priv(dev);
-	IRDA_ASSERT(self != NULL, return 0;);
+	IRDA_ASSERT(self != NULL, return NETDEV_TX_OK;);
 
 	iobase = self->io.sir_base;
 
diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c
index 1484c76..e4e9056 100644
--- a/drivers/net/irda/donauboe.c
+++ b/drivers/net/irda/donauboe.c
@@ -981,7 +981,7 @@
 
   self = netdev_priv(dev);
 
-  IRDA_ASSERT (self != NULL, return 0; );
+  IRDA_ASSERT (self != NULL, return NETDEV_TX_OK; );
 
   IRDA_DEBUG (1, "%s.tx:%x(%x)%x\n", __func__
       ,skb->len,self->txpending,INB (OBOE_ENABLEH));
diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c
index 05bfc98..51ca89c 100644
--- a/drivers/net/irda/nsc-ircc.c
+++ b/drivers/net/irda/nsc-ircc.c
@@ -1365,7 +1365,7 @@
 	
 	self = netdev_priv(dev);
 
-	IRDA_ASSERT(self != NULL, return 0;);
+	IRDA_ASSERT(self != NULL, return NETDEV_TX_OK;);
 
 	iobase = self->io.fir_base;
 
diff --git a/drivers/net/irda/sir_dev.c b/drivers/net/irda/sir_dev.c
index bde004f..71dce20 100644
--- a/drivers/net/irda/sir_dev.c
+++ b/drivers/net/irda/sir_dev.c
@@ -590,7 +590,7 @@
 	int err;
 	s32 speed;
 
-	IRDA_ASSERT(dev != NULL, return 0;);
+	IRDA_ASSERT(dev != NULL, return NETDEV_TX_OK;);
 
 	netif_stop_queue(ndev);
 
diff --git a/drivers/net/irda/smsc-ircc2.c b/drivers/net/irda/smsc-ircc2.c
index d0797ad..15f8a7f 100644
--- a/drivers/net/irda/smsc-ircc2.c
+++ b/drivers/net/irda/smsc-ircc2.c
@@ -886,10 +886,10 @@
 
 	IRDA_DEBUG(1, "%s\n", __func__);
 
-	IRDA_ASSERT(dev != NULL, return 0;);
+	IRDA_ASSERT(dev != NULL, return NETDEV_TX_OK;);
 
 	self = netdev_priv(dev);
-	IRDA_ASSERT(self != NULL, return 0;);
+	IRDA_ASSERT(self != NULL, return NETDEV_TX_OK;);
 
 	netif_stop_queue(dev);
 
@@ -914,7 +914,7 @@
 			smsc_ircc_change_speed(self, speed);
 			spin_unlock_irqrestore(&self->lock, flags);
 			dev_kfree_skb(skb);
-			return 0;
+			return NETDEV_TX_OK;
 		}
 		self->new_speed = speed;
 	}
@@ -935,7 +935,7 @@
 
 	dev_kfree_skb(skb);
 
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 /*
@@ -1190,9 +1190,9 @@
 	s32 speed;
 	int mtt;
 
-	IRDA_ASSERT(dev != NULL, return 0;);
+	IRDA_ASSERT(dev != NULL, return NETDEV_TX_OK;);
 	self = netdev_priv(dev);
-	IRDA_ASSERT(self != NULL, return 0;);
+	IRDA_ASSERT(self != NULL, return NETDEV_TX_OK;);
 
 	netif_stop_queue(dev);
 
@@ -1210,7 +1210,7 @@
 			smsc_ircc_change_speed(self, speed);
 			spin_unlock_irqrestore(&self->lock, flags);
 			dev_kfree_skb(skb);
-			return 0;
+			return NETDEV_TX_OK;
 		}
 
 		self->new_speed = speed;
@@ -1242,7 +1242,7 @@
 	spin_unlock_irqrestore(&self->lock, flags);
 	dev_kfree_skb(skb);
 
-	return 0;
+	return NETDEV_TX_OK;
 }
 
 /*
diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c
index 62ba94b..36a6074 100644
--- a/drivers/net/irda/via-ircc.c
+++ b/drivers/net/irda/via-ircc.c
@@ -832,7 +832,7 @@
 	__u32 speed;
 
 	self = netdev_priv(dev);
-	IRDA_ASSERT(self != NULL, return 0;);
+	IRDA_ASSERT(self != NULL, return NETDEV_TX_OK;);
 	iobase = self->io.fir_base;
 
 	netif_stop_queue(dev);