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path: root/drivers/net/tulip/de2104x.c
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Diffstat (limited to 'drivers/net/tulip/de2104x.c')
-rw-r--r--drivers/net/tulip/de2104x.c46
1 files changed, 20 insertions, 26 deletions
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index d7fb3ff..e3dd144 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -402,8 +402,7 @@ static void de_rx (struct de_private *de)
unsigned copying_skb, buflen;
skb = de->rx_skb[rx_tail].skb;
- if (!skb)
- BUG();
+ BUG_ON(!skb);
rmb();
status = le32_to_cpu(de->rx_ring[rx_tail].opts1);
if (status & DescOwn)
@@ -545,8 +544,7 @@ static void de_tx (struct de_private *de)
break;
skb = de->tx_skb[tx_tail].skb;
- if (!skb)
- BUG();
+ BUG_ON(!skb);
if (unlikely(skb == DE_DUMMY_SKB))
goto next;
@@ -789,8 +787,7 @@ static void __de_set_rx_mode (struct net_device *dev)
de->tx_head = NEXT_TX(entry);
- if (TX_BUFFS_AVAIL(de) < 0)
- BUG();
+ BUG_ON(TX_BUFFS_AVAIL(de) < 0);
if (TX_BUFFS_AVAIL(de) == 0)
netif_stop_queue(dev);
@@ -916,8 +913,7 @@ static void de_set_media (struct de_private *de)
unsigned media = de->media_type;
u32 macmode = dr32(MacMode);
- if (de_is_running(de))
- BUG();
+ BUG_ON(de_is_running(de));
if (de->de21040)
dw32(CSR11, FULL_DUPLEX_MAGIC);
@@ -1153,8 +1149,7 @@ static void de_media_interrupt (struct de_private *de, u32 status)
return;
}
- if (!(status & LinkFail))
- BUG();
+ BUG_ON(!(status & LinkFail));
if (netif_carrier_ok(de->dev)) {
de_link_down(de);
@@ -1332,11 +1327,11 @@ static void de_clean_rings (struct de_private *de)
struct sk_buff *skb = de->tx_skb[i].skb;
if ((skb) && (skb != DE_DUMMY_SKB)) {
if (skb != DE_SETUP_SKB) {
- dev_kfree_skb(skb);
de->net_stats.tx_dropped++;
pci_unmap_single(de->pdev,
de->tx_skb[i].mapping,
skb->len, PCI_DMA_TODEVICE);
+ dev_kfree_skb(skb);
} else {
pci_unmap_single(de->pdev,
de->tx_skb[i].mapping,
@@ -1362,7 +1357,6 @@ static int de_open (struct net_device *dev)
{
struct de_private *de = dev->priv;
int rc;
- unsigned long flags;
if (netif_msg_ifup(de))
printk(KERN_DEBUG "%s: enabling interface\n", dev->name);
@@ -1376,18 +1370,20 @@ static int de_open (struct net_device *dev)
return rc;
}
- rc = de_init_hw(de);
- if (rc) {
- printk(KERN_ERR "%s: h/w init failure, err=%d\n",
- dev->name, rc);
- goto err_out_free;
- }
+ dw32(IntrMask, 0);
rc = request_irq(dev->irq, de_interrupt, SA_SHIRQ, dev->name, dev);
if (rc) {
printk(KERN_ERR "%s: IRQ %d request failure, err=%d\n",
dev->name, dev->irq, rc);
- goto err_out_hw;
+ goto err_out_free;
+ }
+
+ rc = de_init_hw(de);
+ if (rc) {
+ printk(KERN_ERR "%s: h/w init failure, err=%d\n",
+ dev->name, rc);
+ goto err_out_free_irq;
}
netif_start_queue(dev);
@@ -1395,11 +1391,8 @@ static int de_open (struct net_device *dev)
return 0;
-err_out_hw:
- spin_lock_irqsave(&de->lock, flags);
- de_stop_hw(de);
- spin_unlock_irqrestore(&de->lock, flags);
-
+err_out_free_irq:
+ free_irq(dev->irq, dev);
err_out_free:
de_free_rings(de);
return rc;
@@ -1455,6 +1448,8 @@ static void de_tx_timeout (struct net_device *dev)
synchronize_irq(dev->irq);
de_clean_rings(de);
+ de_init_rings(de);
+
de_init_hw(de);
netif_wake_queue(dev);
@@ -2092,8 +2087,7 @@ static void __exit de_remove_one (struct pci_dev *pdev)
struct net_device *dev = pci_get_drvdata(pdev);
struct de_private *de = dev->priv;
- if (!dev)
- BUG();
+ BUG_ON(!dev);
unregister_netdev(dev);
kfree(de->ee_data);
iounmap(de->regs);
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