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[netdrvr] Fix register_netdev() races in older ISA net drivers

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This commit is contained in:
2005-05-12 20:11:55 -04:00
committed by Jeff Garzik
parent 88d7bd8cb9
commit b1fc5505e0
21 changed files with 156 additions and 228 deletions
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41
drivers/net/hp100.c
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@ -417,12 +417,7 @@ struct net_device * __init hp100_probe(int unit)
if (err)
goto out;
err = register_netdev(dev);
if (err)
goto out1;
return dev;
out1:
release_region(dev->base_addr, HP100_REGION_SIZE);
out:
free_netdev(dev);
return ERR_PTR(err);
@ -776,11 +771,22 @@ static int __devinit hp100_probe1(struct net_device *dev, int ioaddr,
printk("Warning! Link down.\n");
}
err = register_netdev(dev);
if (err)
goto out3;
return 0;
out3:
if (local_mode == 1)
pci_free_consistent(lp->pci_dev, MAX_RINGSIZE + 0x0f,
lp->page_vaddr_algn,
virt_to_whatever(dev, lp->page_vaddr_algn));
if (mem_ptr_virt)
iounmap(mem_ptr_virt);
out2:
release_region(ioaddr, HP100_REGION_SIZE);
out1:
return -ENODEV;
return err;
}
/* This procedure puts the card into a stable init state */
@ -2875,18 +2881,12 @@ static int __init hp100_eisa_probe (struct device *gendev)
if (err)
goto out1;
err = register_netdev(dev);
if (err)
goto out2;
#ifdef HP100_DEBUG
printk("hp100: %s: EISA adapter found at 0x%x\n", dev->name,
dev->base_addr);
#endif
gendev->driver_data = dev;
return 0;
out2:
release_region(dev->base_addr, HP100_REGION_SIZE);
out1:
free_netdev(dev);
return err;
@ -2951,17 +2951,12 @@ static int __devinit hp100_pci_probe (struct pci_dev *pdev,
err = hp100_probe1(dev, ioaddr, HP100_BUS_PCI, pdev);
if (err)
goto out1;
err = register_netdev(dev);
if (err)
goto out2;
#ifdef HP100_DEBUG
printk("hp100: %s: PCI adapter found at 0x%x\n", dev->name, ioaddr);
#endif
pci_set_drvdata(pdev, dev);
return 0;
out2:
release_region(dev->base_addr, HP100_REGION_SIZE);
out1:
free_netdev(dev);
out0:
@ -3032,15 +3027,9 @@ static int __init hp100_isa_init(void)
SET_MODULE_OWNER(dev);
err = hp100_isa_probe(dev, hp100_port[i]);
if (!err) {
err = register_netdev(dev);
if (!err)
hp100_devlist[cards++] = dev;
else
release_region(dev->base_addr, HP100_REGION_SIZE);
}
if (err)
if (!err)
hp100_devlist[cards++] = dev;
else
free_netdev(dev);
}