[PATCH] radixtree: normalize radix_tree_tag_get() return value

In radix_tree_tag_get(), return normalized value of 0/1, as indicated
by its comment.

Signed-off-by: Wu Fengguang <wfg@mail.ustc.edu.cn>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index b32efae7688e..637d55608de5 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -530,7 +530,7 @@ 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;
                 }
                 slot = slot->slots[offset];
                 shift -= RADIX_TREE_MAP_SHIFT;