diff options
Diffstat (limited to 'lib/maple_tree.c')
| -rw-r--r-- | lib/maple_tree.c | 13 |
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) |