From 4ebce3c886f324a430ac6c875ed0d7c0bcd02ff6 Mon Sep 17 00:00:00 2001
From: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Date: Tue, 6 Sep 2005 15:16:48 -0700
Subject: [PATCH] --- yaml --- r: 7343 b: refs/heads/master c:
 32605a18152b246df483fadc1c23854addde8755 h: refs/heads/master i:   7341:
 c243c472781db862634495d150a15b73b93ca2b3   7339:
 85c49214b42aa8b01c6670092942a404f602636c   7335:
 ad3986a0bc617d65bed40393b9e2f56aced858e1   7327:
 6c9f20ee1cb2192d5f1d4a1ef4159778dedd5291 v: v3

---
 [refs]                 |  2 +-
 trunk/lib/radix-tree.c | 17 +++++++++--------
 2 files changed, 10 insertions(+), 9 deletions(-)

diff --git a/[refs] b/[refs]
index f181852c2afd..267adcf1df12 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 201b6264ff3865090747f58f48e087c3a35e0dbc
+refs/heads/master: 32605a18152b246df483fadc1c23854addde8755
diff --git a/trunk/lib/radix-tree.c b/trunk/lib/radix-tree.c
index 2e9bd54beba4..b972dd29289d 100644
--- a/trunk/lib/radix-tree.c
+++ b/trunk/lib/radix-tree.c
@@ -418,15 +418,16 @@ EXPORT_SYMBOL(radix_tree_tag_clear);
 
 #ifndef __KERNEL__	/* Only the test harness uses this at present */
 /**
- *	radix_tree_tag_get - get a tag on a radix tree node
- *	@root:		radix tree root
- *	@index:		index key
- *	@tag: 		tag index
+ * radix_tree_tag_get - get a tag on a radix tree node
+ * @root:		radix tree root
+ * @index:		index key
+ * @tag: 		tag index
  *
- *	Return the search tag corresponging to @index in the radix tree.
+ * Return values:
  *
- *	Returns zero if the tag is unset, or if there is no corresponding item
- *	in the tree.
+ *  0: tag not present
+ *  1: tag present, set
+ * -1: tag present, unset
  */
 int radix_tree_tag_get(struct radix_tree_root *root,
 			unsigned long index, int tag)
@@ -460,7 +461,7 @@ int radix_tree_tag_get(struct radix_tree_root *root,
 			int ret = tag_get(slot, tag, offset);
 
 			BUG_ON(ret && saw_unset_tag);
-			return ret;
+			return ret ? 1 : -1;
 		}
 		slot = slot->slots[offset];
 		shift -= RADIX_TREE_MAP_SHIFT;