[PATCH] padto - fix 82596 using skb_padto

drivers/net/82596.c

@@ -1063,12 +1063,18 @@ static int i596_start_xmit(struct sk_buff *skb, struct net_device *dev)
 	struct i596_private *lp = (struct i596_private *) dev->priv;
 	struct tx_cmd *tx_cmd;
 	struct i596_tbd *tbd;
-	short length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN;
+	short length = skb->len;
 	dev->trans_start = jiffies;
 
 	DEB(DEB_STARTTX,printk(KERN_DEBUG "%s: i596_start_xmit(%x,%x) called\n", dev->name,
 				skb->len, (unsigned int)skb->data));
 
+	if (skb->len < ETH_ZLEN) {
+		skb = skb_padto(skb, ETH_ZLEN);
+		if (skb == NULL)
+			return 0;
+		length = ETH_ZLEN;
+	}
 	netif_stop_queue(dev);
 
 	tx_cmd = lp->tx_cmds + lp->next_tx_cmd;