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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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18
drivers/net/wd.c
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@@ -149,12 +149,7 @@ struct net_device * __init wd_probe(int unit)
err = do_wd_probe(dev);
if (err)
goto out;
err = register_netdev(dev);
if (err)
goto out1;
return dev;
out1:
cleanup_card(dev);
out:
free_netdev(dev);
return ERR_PTR(err);
@@ -164,6 +159,7 @@ out:
static int __init wd_probe1(struct net_device *dev, int ioaddr)
{
int i;
int err;
int checksum = 0;
int ancient = 0; /* An old card without config registers. */
int word16 = 0; /* 0 = 8 bit, 1 = 16 bit */
@@ -356,7 +352,10 @@ static int __init wd_probe1(struct net_device *dev, int ioaddr)
outb(inb(ioaddr+4)|0x80, ioaddr+4);
#endif
return 0;
err = register_netdev(dev);
if (err)
free_irq(dev->irq, dev);
return err;
}
static int
@@ -527,11 +526,8 @@ init_module(void)
dev->mem_start = mem[this_dev];
dev->mem_end = mem_end[this_dev];
if (do_wd_probe(dev) == 0) {
if (register_netdev(dev) == 0) {
dev_wd[found++] = dev;
continue;
}
cleanup_card(dev);
dev_wd[found++] = dev;
continue;
}
free_netdev(dev);
printk(KERN_WARNING "wd.c: No wd80x3 card found (i/o = 0x%x).\n", io[this_dev]);