summaryrefslogtreecommitdiffstats
path: root/lib
diff options
context:
space:
mode:
Diffstat (limited to 'lib')
-rw-r--r--lib/maple_tree.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index df352f6ccc24..3fe1491d2bf9 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -323,14 +323,19 @@ static inline void *mte_safe_root(const struct maple_enode *node)
return (void *)((unsigned long)node & ~MAPLE_ROOT_NODE);
}
-static inline void mte_set_full(const struct maple_enode *node)
+static inline void *mte_set_full(const struct maple_enode *node)
{
- node = (void *)((unsigned long)node & ~MAPLE_ENODE_NULL);
+ return (void *)((unsigned long)node & ~MAPLE_ENODE_NULL);
}
-static inline void mte_clear_full(const struct maple_enode *node)
+static inline void *mte_clear_full(const struct maple_enode *node)
{
- node = (void *)((unsigned long)node | MAPLE_ENODE_NULL);
+ return (void *)((unsigned long)node | MAPLE_ENODE_NULL);
+}
+
+static inline bool mte_has_null(const struct maple_enode *node)
+{
+ return (unsigned long)node & MAPLE_ENODE_NULL;
}
static inline bool ma_is_root(struct maple_node *node)