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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/ne.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/ne.c')
| -rw-r--r-- | drivers/net/ne.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/net/ne.c b/drivers/net/ne.c index 496433902ade..6c57096aa2e1 100644 --- a/drivers/net/ne.c +++ b/drivers/net/ne.c @@ -229,12 +229,7 @@ struct net_device * __init ne_probe(int unit) err = do_ne_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); @@ -534,8 +529,14 @@ static int __init ne_probe1(struct net_device *dev, int ioaddr) dev->poll_controller = ei_poll; #endif NS8390_init(dev, 0); + + ret = register_netdev(dev); + if (ret) + goto out_irq; return 0; +out_irq: + free_irq(dev->irq, dev); err_out: release_region(ioaddr, NE_IO_EXTENT); return ret; @@ -826,11 +827,8 @@ int init_module(void) dev->mem_end = bad[this_dev]; dev->base_addr = io[this_dev]; if (do_ne_probe(dev) == 0) { - if (register_netdev(dev) == 0) { - dev_ne[found++] = dev; - continue; - } - cleanup_card(dev); + dev_ne[found++] = dev; + continue; } free_netdev(dev); if (found) |