WorkStruct: make allyesconfig

Fix up for make allyesconfig.

Signed-Off-By: David Howells <dhowells@redhat.com>
diff --git a/drivers/net/tulip/21142.c b/drivers/net/tulip/21142.c
index fa3a2bb..942b839 100644
--- a/drivers/net/tulip/21142.c
+++ b/drivers/net/tulip/21142.c
@@ -26,10 +26,11 @@
 
 /* Handle the 21143 uniquely: do autoselect with NWay, not the EEPROM list
    of available transceivers.  */
-void t21142_media_task(void *data)
+void t21142_media_task(struct work_struct *work)
 {
-	struct net_device *dev = data;
-	struct tulip_private *tp = netdev_priv(dev);
+	struct tulip_private *tp =
+		container_of(work, struct tulip_private, media_work);
+	struct net_device *dev = tp->dev;
 	void __iomem *ioaddr = tp->base_addr;
 	int csr12 = ioread32(ioaddr + CSR12);
 	int next_tick = 60*HZ;