diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/radix-tree.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/radix-tree.c b/lib/radix-tree.c index d7c878cc006c..e7964296fd50 100644 --- a/lib/radix-tree.c +++ b/lib/radix-tree.c | |||
| @@ -686,6 +686,9 @@ void **radix_tree_next_chunk(struct radix_tree_root *root, | |||
| 686 | * during iterating; it can be zero only at the beginning. | 686 | * during iterating; it can be zero only at the beginning. |
| 687 | * And we cannot overflow iter->next_index in a single step, | 687 | * And we cannot overflow iter->next_index in a single step, |
| 688 | * because RADIX_TREE_MAP_SHIFT < BITS_PER_LONG. | 688 | * because RADIX_TREE_MAP_SHIFT < BITS_PER_LONG. |
| 689 | * | ||
| 690 | * This condition also used by radix_tree_next_slot() to stop | ||
| 691 | * contiguous iterating, and forbid swithing to the next chunk. | ||
| 689 | */ | 692 | */ |
| 690 | index = iter->next_index; | 693 | index = iter->next_index; |
| 691 | if (!index && iter->index) | 694 | if (!index && iter->index) |
