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author <herbert@gondor.apana.org.au>2005-05-12 20:11:55 -0400
committerJeff Garzik <jgarzik@pobox.com>2005-05-12 20:11:55 -0400
commitb1fc5505e0dbcc3fd7c75bfe6bee39ec50080963 (patch)
treef8c0bb679dc8e72816e16820c3dbcccf924097eb /drivers/net/hp.c
parent88d7bd8cb9eb8d64bf7997600b0d64f7834047c5 (diff)
[netdrvr] Fix register_netdev() races in older ISA net drivers
Diffstat (limited to 'drivers/net/hp.c')
-rw-r--r--drivers/net/hp.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/net/hp.c b/drivers/net/hp.c
index 026888611d6f..59cf841b14ab 100644
--- a/drivers/net/hp.c
+++ b/drivers/net/hp.c
@@ -123,12 +123,7 @@ struct net_device * __init hp_probe(int unit)
err = do_hp_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);
@@ -227,7 +222,12 @@ static int __init hp_probe1(struct net_device *dev, int ioaddr)
ei_status.block_output = &hp_block_output;
hp_init_card(dev);
+ retval = register_netdev(dev);
+ if (retval)
+ goto out1;
return 0;
+out1:
+ free_irq(dev->irq, dev);
out:
release_region(ioaddr, HP_IO_EXTENT);
return retval;
@@ -432,11 +432,8 @@ init_module(void)
dev->irq = irq[this_dev];
dev->base_addr = io[this_dev];
if (do_hp_probe(dev) == 0) {
- if (register_netdev(dev) == 0) {
- dev_hp[found++] = dev;
- continue;
- }
- cleanup_card(dev);
+ dev_hp[found++] = dev;
+ continue;
}
free_netdev(dev);
printk(KERN_WARNING "hp.c: No HP card found (i/o = 0x%x).\n", io[this_dev]);