Au1x00: fix crash when trying register_netdev()
authorAlexander Beregalov <a.beregalov@gmail.com>
Mon, 23 Nov 2009 04:40:52 +0000 (20:40 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 23 Nov 2009 04:40:52 +0000 (20:40 -0800)
Andreas Lohre reported that the driver crashes when trying
to register_netdev(), he sugessted to move dev->netdev_ops initialization
before calling register_netdev(), it worked for him.

Reported-by: Andreas Lohre <alohre@gmail.com>
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/au1000_eth.c

index ce6f1ac25df83e6ea3b26298f707cad6a9e488a3..3f4b4300f5332c163c8f520636ff8caf58dd3e90 100644 (file)
@@ -1088,7 +1088,14 @@ static struct net_device * au1000_probe(int port_num)
                return NULL;
        }
 
-       if ((err = register_netdev(dev)) != 0) {
+       dev->base_addr = base;
+       dev->irq = irq;
+       dev->netdev_ops = &au1000_netdev_ops;
+       SET_ETHTOOL_OPS(dev, &au1000_ethtool_ops);
+       dev->watchdog_timeo = ETH_TX_TIMEOUT;
+
+       err = register_netdev(dev);
+       if (err != 0) {
                printk(KERN_ERR "%s: Cannot register net device, error %d\n",
                                DRV_NAME, err);
                free_netdev(dev);
@@ -1209,12 +1216,6 @@ static struct net_device * au1000_probe(int port_num)
                aup->tx_db_inuse[i] = pDB;
        }
 
-       dev->base_addr = base;
-       dev->irq = irq;
-       dev->netdev_ops = &au1000_netdev_ops;
-       SET_ETHTOOL_OPS(dev, &au1000_ethtool_ops);
-       dev->watchdog_timeo = ETH_TX_TIMEOUT;
-
        /*
         * The boot code uses the ethernet controller, so reset it to start
         * fresh.  au1000_init() expects that the device is in reset state.