[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>
diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index b32efae..637d556 100644
--- a/lib/radix-tree.c
+++ b/lib/radix-tree.c
@@ -530,7 +530,7 @@
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;