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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/cs89x0.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/cs89x0.c')
| -rw-r--r-- | drivers/net/cs89x0.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c index 5c5f540da26a..25e4495de79e 100644 --- a/drivers/net/cs89x0.c +++ b/drivers/net/cs89x0.c @@ -319,13 +319,7 @@ struct net_device * __init cs89x0_probe(int unit) } if (err) goto out; - err = register_netdev(dev); - if (err) - goto out1; return dev; -out1: - outw(PP_ChipID, dev->base_addr + ADD_PORT); - release_region(dev->base_addr, NETCARD_IO_EXTENT); out: free_netdev(dev); printk(KERN_WARNING "cs89x0: no cs8900 or cs8920 detected. Be sure to disable PnP with SETUP\n"); @@ -735,7 +729,13 @@ printk("PP_addr=0x%x\n", inw(ioaddr + ADD_PORT)); printk("\n"); if (net_debug) printk("cs89x0_probe1() successful\n"); + + retval = register_netdev(dev); + if (retval) + goto out3; return 0; +out3: + outw(PP_ChipID, dev->base_addr + ADD_PORT); out2: release_region(ioaddr & ~3, NETCARD_IO_EXTENT); out1: @@ -1831,13 +1831,6 @@ init_module(void) if (ret) goto out; - if (register_netdev(dev) != 0) { - printk(KERN_ERR "cs89x0.c: No card found at 0x%x\n", io); - ret = -ENXIO; - outw(PP_ChipID, dev->base_addr + ADD_PORT); - release_region(dev->base_addr, NETCARD_IO_EXTENT); - goto out; - } dev_cs89x0 = dev; return 0; out: |