From 3b1735fba3aa3e2c0da1a59ed8636b37240d8635 Mon Sep 17 00:00:00 2001
From: Dale Farnsworth <dale@farnsworth.org>
Date: Tue, 11 Apr 2006 18:24:26 -0700
Subject: [PATCH] --- yaml --- r: 25687 b: refs/heads/master c:
 94843566d7119e049a72618a3c939d5c2be022c7 h: refs/heads/master i:   25685:
 39b9203be408ec309373221354f833b3dffdc46f   25683:
 713b7dbc2f38c03604a45b4a8a1024dbc701fb34   25679:
 8904daae6daa72dfbe3fea3284fe5afddc2ced65 v: v3

---
 [refs]                          |  2 +-
 trunk/drivers/net/mv643xx_eth.c | 17 ++++++++++++++---
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/[refs] b/[refs]
index 3a795e271a21..60801690a242 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 5c5374087707d7848cb13f15e7c175daf346301c
+refs/heads/master: 94843566d7119e049a72618a3c939d5c2be022c7
diff --git a/trunk/drivers/net/mv643xx_eth.c b/trunk/drivers/net/mv643xx_eth.c
index 85ac42c85aa9..ea62a3e7d586 100644
--- a/trunk/drivers/net/mv643xx_eth.c
+++ b/trunk/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);
 }
 
 /**
@@ -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)) {