From e3ff3676f88062191c35d2b5b7c595f011d979c5 Mon Sep 17 00:00:00 2001
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Date: Fri, 23 Jun 2006 02:03:25 -0700
Subject: [PATCH] --- yaml --- r: 28919 b: refs/heads/master c:
 4c91c3648c620003cb7b21b8858f36cd6132e168 h: refs/heads/master i:   28917:
 512f72a023d6b48197d4430ef62cbfd62264db8b   28915:
 08e2096d78a07e1d1686842d59b1b017cd7f81a7   28911:
 3dfe7f133d3566bd45fc0658e8d5136fbbc4567b v: v3

---
 [refs]                 | 2 +-
 trunk/lib/radix-tree.c | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/[refs] b/[refs]
index de394e40da97..a4b3bfbbef4a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 58ce1fd5805647a58a050bbbbd2252ea5ecb47b3
+refs/heads/master: 4c91c3648c620003cb7b21b8858f36cd6132e168
diff --git a/trunk/lib/radix-tree.c b/trunk/lib/radix-tree.c
index 7cbdada51049..b32efae7688e 100644
--- a/trunk/lib/radix-tree.c
+++ b/trunk/lib/radix-tree.c
@@ -389,8 +389,7 @@ void *radix_tree_tag_set(struct radix_tree_root *root,
 	struct radix_tree_node *slot;
 
 	height = root->height;
-	if (index > radix_tree_maxindex(height))
-		return NULL;
+	BUG_ON(index > radix_tree_maxindex(height));
 
 	slot = root->rnode;
 	shift = (height - 1) * RADIX_TREE_MAP_SHIFT;