WorkStruct: make allyesconfig

Fix up for make allyesconfig.

Signed-Off-By: David Howells <dhowells@redhat.com>
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 33569ec..250cdbe 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -5872,9 +5872,9 @@
  * Description: Sets the link status for the adapter
  */
 
-static void s2io_set_link(unsigned long data)
+static void s2io_set_link(struct work_struct *work)
 {
-	nic_t *nic = (nic_t *) data;
+	nic_t *nic = container_of(work, nic_t, set_link_task);
 	struct net_device *dev = nic->dev;
 	XENA_dev_config_t __iomem *bar0 = nic->bar0;
 	register u64 val64;
@@ -6379,10 +6379,10 @@
  * spin lock.
  */
 
-static void s2io_restart_nic(unsigned long data)
+static void s2io_restart_nic(struct work_struct *work)
 {
-	struct net_device *dev = (struct net_device *) data;
-	nic_t *sp = dev->priv;
+	nic_t *sp = container_of(work, nic_t, rst_timer_task);
+	struct net_device *dev = sp->dev;
 
 	s2io_card_down(sp);
 	if (s2io_card_up(sp)) {
@@ -6992,10 +6992,8 @@
 
 	dev->tx_timeout = &s2io_tx_watchdog;
 	dev->watchdog_timeo = WATCH_DOG_TIMEOUT;
-	INIT_WORK(&sp->rst_timer_task,
-		  (void (*)(void *)) s2io_restart_nic, dev);
-	INIT_WORK(&sp->set_link_task,
-		  (void (*)(void *)) s2io_set_link, sp);
+	INIT_WORK(&sp->rst_timer_task, s2io_restart_nic);
+	INIT_WORK(&sp->set_link_task, s2io_set_link);
 
 	pci_save_state(sp->pdev);