[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 <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/lib/radix-tree.c b/lib/radix-tree.c
index b32efae7688e316e8825df6fd76a316a2c6f18bf..637d55608de55b463974afeb62eb704977426bbc 100644 (file)
--- 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;