diff options
| -rw-r--r-- | lib/maple_tree.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 071d3055f1fa..4900f182e99d 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -3670,7 +3670,9 @@ static inline void mas_new_root(struct ma_state *mas, void *entry) void __rcu **slots; unsigned long *pivots; - if (!entry && !mas->index && mas->last == ULONG_MAX) { + WARN_ON_ONCE(mas->index || mas->last != ULONG_MAX); + + if (!entry) { mas->depth = 0; mas_set_height(mas); rcu_assign_pointer(mas->tree->ma_root, entry); |