From: Liam R. Howlett <Liam.Howlett@Oracle.com>
Date: Thu, 3 Jan 2019 16:42:27 +0000 (-0500)
Subject: maple_tree: clean up swithc statement and remove null parent assignment
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1f290582cb8c77a2c480fab48de7ddf5370b446a;p=users%2Fjedix%2Flinux-maple.git

maple_tree: clean up swithc statement and remove null parent assignment

Signed-off-by: Liam R. Howlett <Liam.Howlett@Oracle.com>
---

diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 06465e580e31..7710b71941df 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -304,8 +304,6 @@ static void ma_root_expand(struct ma_state *ms, void *entry)
 	}
 	ma_append(ms, entry);
 
-
-	mn->parent = NULL;
 	/* swap the new root into the tree */
 	rcu_assign_pointer(ms->tree->ma_root, mt_mk_node(mn, maple_leaf_64));
 }
@@ -415,8 +413,6 @@ void *ma_destroy_walk(struct ma_state *mas)
 	int i;
 
 	switch (type) {
-	case maple_leaf_64:
-		break;
 	case maple_range_64:
 		for (i = 0; i < MAPLE_RANGE64_SLOTS; i++) {
 			if (i > 0 && mn->mr64.pivot[i] == 0)
@@ -424,6 +420,7 @@ void *ma_destroy_walk(struct ma_state *mas)
 			ma_destroy_walk(mn->mr64.slot[i]);
 		}
 		break;
+	case maple_leaf_64:
 	default:
 		break;
 	}