IB/mlx4: Change flush logic so it adheres to the variable name

Change and simplify the code to match the variable name. This commit
improves readability but makes no functional change to the code.

Signed-off-by: Håkon Bugge <haakon.bugge@oracle.com>
Suggested-by: Wengang Wang <wen.gang.wang@oracle.com>
Reviewed-by: Wengang Wang <wen.gang.wang@oracle.com>
Reviewed-by: Knut Omang <knut.omang@oracle.com>
Acked-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/mlx4/cm.c

@@ -414,7 +414,7 @@ void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave)
 	struct rb_root *sl_id_map = &sriov->sl_id_map;
 	struct list_head lh;
 	struct rb_node *nd;
-	int need_flush = 1;
+	int need_flush = 0;
 	struct id_map_entry *map, *tmp_map;
 	/* cancel all delayed work queue entries */
 	INIT_LIST_HEAD(&lh);
@@ -422,13 +422,13 @@ void mlx4_ib_cm_paravirt_clean(struct mlx4_ib_dev *dev, int slave)
 	list_for_each_entry_safe(map, tmp_map, &dev->sriov.cm_list, list) {
 		if (slave < 0 || slave == map->slave_id) {
 			if (map->scheduled_delete)
-				need_flush &= !!cancel_delayed_work(&map->timeout);
+				need_flush |= !cancel_delayed_work(&map->timeout);
 		}
 	}
 
 	spin_unlock(&sriov->id_map_lock);
 
-	if (!need_flush)
+	if (need_flush)
 		flush_scheduled_work(); /* make sure all timers were flushed */
 
 	/* now, remove all leftover entries from databases*/