ixgbe: cleanup logic for the service timer and VF hang detection

This change just cleans up some of the logic in the service_timer function
so that we can avoid unnecessary swapping of the ready value between true to
false and back to true.
Signed-off-by: NAlexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com>

drivers/net/ethernet/intel/ixgbe/ixgbe_main.c

@@ -6480,41 +6480,32 @@ static void ixgbe_service_timer(unsigned long data)
 	unsigned long next_event_offset;
 	bool ready = true;
 
-#ifdef CONFIG_PCI_IOV
-	ready = false;
+	/* poll faster when waiting for link */
+	if (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE)
+		next_event_offset = HZ / 10;
+	else
+		next_event_offset = HZ * 2;
 
+#ifdef CONFIG_PCI_IOV
 	/*
 	 * don't bother with SR-IOV VF DMA hang check if there are
 	 * no VFs or the link is down
 	 */
 	if (!adapter->num_vfs ||
-	    (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE)) {
-		ready = true;
+	    (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE))
 		goto normal_timer_service;
-	}
 
 	/* If we have VFs allocated then we must check for DMA hangs */
 	ixgbe_check_for_bad_vf(adapter);
 	next_event_offset = HZ / 50;
 	adapter->timer_event_accumulator++;
 
-	if (adapter->timer_event_accumulator >= 100) {
-		ready = true;
+	if (adapter->timer_event_accumulator >= 100)
 		adapter->timer_event_accumulator = 0;
-	}
-
-	goto schedule_event;
-
-normal_timer_service:
-#endif
-	/* poll faster when waiting for link */
-	if (adapter->flags & IXGBE_FLAG_NEED_LINK_UPDATE)
-		next_event_offset = HZ / 10;
 	else
-		next_event_offset = HZ * 2;
+		ready = false;
 
-#ifdef CONFIG_PCI_IOV
-schedule_event:
+normal_timer_service:
 #endif
 	/* Reset the timer */
 	mod_timer(&adapter->service_timer, next_event_offset + jiffies);