X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fmv643xx_eth.c;h=411f4d809c477d99175ee0eaa10257938a08d407;hb=40ef1d8d48e364dce689342adfdc475aa53f4808;hp=9f2661355a4acf3973e55b15d0ba24ba9d112959;hpb=74293759002aa7db0179158c20676a034614577b;p=linux-2.6

diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 9f2661355a..411f4d809c 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -281,10 +281,16 @@ static void mv643xx_eth_tx_timeout_task(struct net_device *dev)
 {
 	struct mv643xx_private *mp = netdev_priv(dev);
 
-	netif_device_detach(dev);
+	if (!netif_running(dev))
+		return;
+
+	netif_stop_queue(dev);
+
 	eth_port_reset(mp->port_num);
 	eth_port_start(dev);
-	netif_device_attach(dev);
+
+	if (mp->tx_ring_size - mp->tx_desc_count >= MAX_DESCS_PER_SKB)
+		netif_wake_queue(dev);
 }
 
 /**
@@ -552,9 +558,9 @@ static irqreturn_t mv643xx_eth_int_handler(int irq, void *dev_id,
 #else
 	if (eth_int_cause & ETH_INT_CAUSE_RX)
 		mv643xx_eth_receive_queue(dev, INT_MAX);
+#endif
 	if (eth_int_cause_ext & ETH_INT_CAUSE_TX)
 		mv643xx_eth_free_completed_tx_descs(dev);
-#endif
 
 	/*
 	 * If no real interrupt occured, exit.
@@ -1186,7 +1192,12 @@ static int mv643xx_eth_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
 	BUG_ON(netif_queue_stopped(dev));
 	BUG_ON(skb == NULL);
-	BUG_ON(mp->tx_ring_size - mp->tx_desc_count < MAX_DESCS_PER_SKB);
+
+	if (mp->tx_ring_size - mp->tx_desc_count < MAX_DESCS_PER_SKB) {
+		printk(KERN_ERR "%s: transmit with queue full\n", dev->name);
+		netif_stop_queue(dev);
+		return 1;
+	}
 
 	if (has_tiny_unaligned_frags(skb)) {
 		if ((skb_linearize(skb, GFP_ATOMIC) != 0)) {
@@ -1408,6 +1419,8 @@ static int mv643xx_eth_probe(struct platform_device *pdev)
 	mv643xx_eth_update_pscr(dev, &cmd);
 	mv643xx_set_settings(dev, &cmd);
 
+	SET_MODULE_OWNER(dev);
+	SET_NETDEV_DEV(dev, &pdev->dev);
 	err = register_netdev(dev);
 	if (err)
 		goto out;