sunhme: Use return value of register_netdev

Use the return value provided by register_netdev on error instead of
using a previously set value.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index bd0df1c..d96431e 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -2808,7 +2808,8 @@
 	happy_meal_set_initial_advertisement(hp);
 	spin_unlock_irq(&hp->happy_lock);
 
-	if (register_netdev(hp->dev)) {
+	err = register_netdev(hp->dev);
+	if (err) {
 		printk(KERN_ERR "happymeal: Cannot register net device, "
 		       "aborting.\n");
 		goto err_out_free_coherent;
@@ -3130,7 +3131,8 @@
 	happy_meal_set_initial_advertisement(hp);
 	spin_unlock_irq(&hp->happy_lock);
 
-	if (register_netdev(hp->dev)) {
+	err = register_netdev(hp->dev);
+	if (err) {
 		printk(KERN_ERR "happymeal(PCI): Cannot register net device, "
 		       "aborting.\n");
 		goto err_out_iounmap;