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authorMichael Chan <mchan@broadcom.com>2006-12-17 17:07:29 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-12-17 21:59:20 -0800
commitc49a1561ee4b663d2819b5bea3e4684eae217b19 (patch)
tree59909de4a5cba3bb84ee4b09fd793af46efc0f4f /drivers/net/tg3.c
parent24fcad6b3ca3bdbbb4614de3edc1ff16f594ba9a (diff)
downloadop-kernel-dev-c49a1561ee4b663d2819b5bea3e4684eae217b19.zip
op-kernel-dev-c49a1561ee4b663d2819b5bea3e4684eae217b19.tar.gz
[TG3]: Fix race condition when calling register_netdev().
Hot-plug scripts can call tg3_open() as soon as register_netdev() is called in tg3_init_one(). We need to call pci_set_drvdata() before register_netdev(), and netif_carrier_off() needs to be moved to tg3_open() to avoid race conditions. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/tg3.c')
-rw-r--r--drivers/net/tg3.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index e47a9c1..501ea6d 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6981,6 +6981,8 @@ static int tg3_open(struct net_device *dev)
struct tg3 *tp = netdev_priv(dev);
int err;
+ netif_carrier_off(tp->dev);
+
tg3_full_lock(tp, 0);
err = tg3_set_power_state(tp, PCI_D0);
@@ -11920,6 +11922,8 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
*/
pci_save_state(tp->pdev);
+ pci_set_drvdata(pdev, dev);
+
err = register_netdev(dev);
if (err) {
printk(KERN_ERR PFX "Cannot register net device, "
@@ -11927,8 +11931,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
goto err_out_iounmap;
}
- pci_set_drvdata(pdev, dev);
-
printk(KERN_INFO "%s: Tigon3 [partno(%s) rev %04x PHY(%s)] (%s) %s Ethernet ",
dev->name,
tp->board_part_number,
@@ -11959,8 +11961,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
(pdev->dma_mask == DMA_32BIT_MASK) ? 32 :
(((u64) pdev->dma_mask == DMA_40BIT_MASK) ? 40 : 64));
- netif_carrier_off(tp->dev);
-
return 0;
err_out_iounmap:
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