btrfs-progs: check: introduce function to check dir_item

[platform/upstream/btrfs-progs.git] / btrfs-corrupt-block.c

diff --git a/btrfs-corrupt-block.c b/btrfs-corrupt-block.c
index 789cbc7..16680df 100644 (file)
--- a/btrfs-corrupt-block.c
+++ b/btrfs-corrupt-block.c
@@ -65,7 +65,7 @@ static int debug_corrupt_block(struct extent_buffer *eb,
                        "mirror %d logical %llu physical %llu device %s\n",
                        mirror_num, (unsigned long long)bytenr,
                        (unsigned long long)eb->dev_bytenr, device->name);
-               kfree(multi);
+               free(multi);
 
                if (!copy || mirror_num == copy) {
                        ret = read_extent_from_disk(eb, 0, eb->len);
@@ -899,7 +899,11 @@ static int corrupt_item_nocow(struct btrfs_trans_handle *trans,
        if (slot == 0)
                del = 0;
        /* Only accept valid eb */
-       BUG_ON(!leaf->data || slot >= btrfs_header_nritems(leaf));
+       if (slot >= btrfs_header_nritems(leaf)) {
+               error("invalid eb: no data or slot out of range: %d >= %d",
+                               slot, btrfs_header_nritems(leaf));
+               return -EINVAL;
+       }
        btrfs_item_key_to_cpu(leaf, &key, slot);
        if (del) {
                fprintf(stdout, "Deleting key and data [%llu, %u, %llu].\n",