diff options
Diffstat (limited to 'fs/btrfs/extent-io-tree.c')
| -rw-r--r-- | fs/btrfs/extent-io-tree.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/fs/btrfs/extent-io-tree.c b/fs/btrfs/extent-io-tree.c index a9b163269252..3c138e6c2397 100644 --- a/fs/btrfs/extent-io-tree.c +++ b/fs/btrfs/extent-io-tree.c @@ -1720,14 +1720,14 @@ search: */ bool test_range_bit_exists(struct extent_io_tree *tree, u64 start, u64 end, u32 bit) { - struct extent_state *state = NULL; + struct extent_state *state; bool bitset = false; ASSERT(is_power_of_2(bit)); spin_lock(&tree->lock); state = tree_search(tree, start); - while (state && start <= end) { + while (state) { if (state->start > end) break; @@ -1736,9 +1736,7 @@ bool test_range_bit_exists(struct extent_io_tree *tree, u64 start, u64 end, u32 break; } - /* If state->end is (u64)-1, start will overflow to 0 */ - start = state->end + 1; - if (start > end || start == 0) + if (state->end >= end) break; state = next_state(state); } |