IB: Use shorter list_splice_init() for brevity

Convert list_splice() + INIT_LIST_HEAD() to the equivalent list_splice_init()

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/core/fmr_pool.c b/drivers/infiniband/core/fmr_pool.c
index 06d502c..1286dc1 100644
--- a/drivers/infiniband/core/fmr_pool.c
+++ b/drivers/infiniband/core/fmr_pool.c
@@ -158,8 +158,7 @@
 #endif
 	}
 
-	list_splice(&pool->dirty_list, &unmap_list);
-	INIT_LIST_HEAD(&pool->dirty_list);
+	list_splice_init(&pool->dirty_list, &unmap_list);
 	pool->dirty_len = 0;
 
 	spin_unlock_irq(&pool->pool_lock);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 329b467..d87f531 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -359,8 +359,7 @@
 	spin_lock_irq(&priv->tx_lock);
 	spin_lock(&priv->lock);
 
-	list_splice(&priv->path_list, &remove_list);
-	INIT_LIST_HEAD(&priv->path_list);
+	list_splice_init(&priv->path_list, &remove_list);
 
 	list_for_each_entry(path, &remove_list, list)
 		rb_erase(&path->rb_node, &priv->path_tree);