diff options
| -rw-r--r-- | lib/maple_tree.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/maple_tree.c b/lib/maple_tree.c index 9ce78e5e608403..af8fb75ad68866 100644 --- a/lib/maple_tree.c +++ b/lib/maple_tree.c @@ -7093,11 +7093,12 @@ static void mas_validate_child_slot(struct ma_state *mas) for (i = 0; i < mt_slots[type]; i++) { child = mas_slot(mas, slots, i); - if (!pivots[i] || pivots[i] == mas->max) - break; - if (!child) - break; + if (!child) { + pr_err("Non-leaf node lacks child at %p[%u]\n", + mas_mn(mas), i); + MT_BUG_ON(mas->tree, 1); + } if (mte_parent_slot(child) != i) { pr_err("Slot error at %p[%u]: child %p has pslot %u\n", @@ -7112,6 +7113,9 @@ static void mas_validate_child_slot(struct ma_state *mas) mte_to_node(mas->node)); MT_BUG_ON(mas->tree, 1); } + + if (i < mt_pivots[type] && pivots[i] == mas->max) + break; } } |