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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/ac3200.c | |
parent | 88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff) | |
download | lwn-b1fc5505e0dbcc3fd7c75bfe6bee39ec50080963.tar.gz lwn-b1fc5505e0dbcc3fd7c75bfe6bee39ec50080963.zip |
[netdrvr] Fix register_netdev() races in older ISA net drivers
Diffstat (limited to 'drivers/net/ac3200.c')
-rw-r--r-- | drivers/net/ac3200.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c index 24fba36b5c1d..91791ba37769 100644 --- a/drivers/net/ac3200.c +++ b/drivers/net/ac3200.c @@ -146,12 +146,7 @@ struct net_device * __init ac3200_probe(int unit) err = do_ac3200_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); @@ -273,7 +268,14 @@ static int __init ac_probe1(int ioaddr, struct net_device *dev) dev->poll_controller = ei_poll; #endif NS8390_init(dev, 0); + + retval = register_netdev(dev); + if (retval) + goto out2; return 0; +out2: + if (ei_status.reg0) + iounmap((void *)dev->mem_start); out1: free_irq(dev->irq, dev); out: @@ -392,11 +394,8 @@ init_module(void) dev->base_addr = io[this_dev]; dev->mem_start = mem[this_dev]; /* Currently ignored by driver */ if (do_ac3200_probe(dev) == 0) { - if (register_netdev(dev) == 0) { - dev_ac32[found++] = dev; - continue; - } - cleanup_card(dev); + dev_ac32[found++] = dev; + continue; } free_netdev(dev); printk(KERN_WARNING "ac3200.c: No ac3200 card found (i/o = 0x%x).\n", io[this_dev]); |