This fixes a warning if CONFIG_NET_POLL_CONTROLLER is NOT set.
--- drivers/net/tulip/tulip_core.c.orig 2004-01-23 23:53:17.484261904 -0800
+++ drivers/net/tulip/tulip_core.c 2004-01-23 23:53:53.675759960 -0800
@@ -253,7 +253,9 @@
static struct net_device_stats *tulip_get_stats(struct net_device *dev);
static int private_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static void set_rx_mode(struct net_device *dev);
+#ifdef CONFIG_NET_POLL_CONTROLLER
static void poll_tulip(struct net_device *dev);
+#endif