[netdrvr] Fix register_netdev() races in older ISA net drivers
diff --git a/drivers/net/isa-skeleton.c b/drivers/net/isa-skeleton.c
index 50bebb5..88ae8a0 100644
--- a/drivers/net/isa-skeleton.c
+++ b/drivers/net/isa-skeleton.c
@@ -176,12 +176,7 @@
err = do_netcard_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);
@@ -316,7 +311,15 @@
dev->tx_timeout = &net_tx_timeout;
dev->watchdog_timeo = MY_TX_TIMEOUT;
+
+ err = register_netdev(dev);
+ if (err)
+ goto out2;
return 0;
+out2:
+#ifdef jumpered_dma
+ free_dma(dev->dma);
+#endif
out1:
#ifdef jumpered_interrupts
free_irq(dev->irq, dev);
@@ -691,11 +694,8 @@
dev->dma = dma;
dev->mem_start = mem;
if (do_netcard_probe(dev) == 0) {
- if (register_netdev(dev) == 0)
- this_device = dev;
- return 0;
- }
- cleanup_card(dev);
+ this_device = dev;
+ return 0;
}
free_netdev(dev);
return -ENXIO;