diff options
| author |   <herbert@gondor.apana.org.au> | 2005-05-12 20:11:55 -0400 |
|---|---|---|
| committer |   Jeff Garzik <jgarzik@pobox.com> | 2005-05-12 20:11:55 -0400 |
| commit | b1fc5505e0dbcc3fd7c75bfe6bee39ec50080963 (patch) | |
| tree | f8c0bb679dc8e72816e16820c3dbcccf924097eb /drivers/net/wd.c | |
| parent | Linux v2.6.12-rc4 (diff) | |
| download | linux-dev-b1fc5505e0dbcc3fd7c75bfe6bee39ec50080963.tar.xz linux-dev-b1fc5505e0dbcc3fd7c75bfe6bee39ec50080963.zip | |
[netdrvr] Fix register_netdev() races in older ISA net drivers
Diffstat (limited to 'drivers/net/wd.c')
| -rw-r--r-- | drivers/net/wd.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/net/wd.c b/drivers/net/wd.c index 1f05d9bd05e4..b03feae459fc 100644 --- a/drivers/net/wd.c +++ b/drivers/net/wd.c @@ -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]); |