wireless: airo: delete netdev from list after it is freed

We must call del_airo_dev() before free_netdev() since we call
add_airo_dev() exactly after alloc_netdev().

Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/airo.c

@@ -2931,8 +2931,8 @@ err_out_res:
 	        release_region( dev->base_addr, 64 );
 err_out_nets:
 	airo_networks_free(ai);
-	del_airo_dev(ai);
 err_out_free:
+	del_airo_dev(ai);
 	free_netdev(dev);
 	return NULL;
 }