diff options
| -rw-r--r-- | ctree.c | 10 |
1 files changed, 6 insertions, 4 deletions
@@ -1490,7 +1490,8 @@ static int insert_ptr(struct btrfs_trans_handle *trans, struct btrfs_root BUG(); if (nritems == BTRFS_NODEPTRS_PER_BLOCK(root)) BUG(); - if (slot != nritems) { + if (slot < nritems) { + /* shift the items */ memmove_extent_buffer(lower, btrfs_node_key_ptr_offset(slot + 1), btrfs_node_key_ptr_offset(slot), @@ -2254,7 +2255,7 @@ split: nritems = btrfs_header_nritems(leaf); - if (slot != nritems) { + if (slot < nritems) { /* shift the items */ memmove_extent_buffer(leaf, btrfs_item_nr_offset(slot + 1), btrfs_item_nr_offset(slot), @@ -2505,7 +2506,7 @@ int btrfs_insert_empty_items(struct btrfs_trans_handle *trans, slot = path->slots[0]; BUG_ON(slot < 0); - if (slot != nritems) { + if (slot < nritems) { unsigned int old_data = btrfs_item_end_nr(leaf, slot); if (old_data < data_end) { @@ -2608,7 +2609,8 @@ int btrfs_del_ptr(struct btrfs_root *root, struct btrfs_path *path, int ret = 0; nritems = btrfs_header_nritems(parent); - if (slot != nritems -1) { + if (slot < nritems - 1) { + /* shift the items */ memmove_extent_buffer(parent, btrfs_node_key_ptr_offset(slot), btrfs_node_key_ptr_offset(slot + 1), |