btrfs-progs: check/lowmem: Fix false alert of data extent backref lost for snapshot

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

diff --git a/btrfs-corrupt-block.c b/btrfs-corrupt-block.c
index 83adcf8..59ee1b4 100644 (file)
--- a/btrfs-corrupt-block.c
+++ b/btrfs-corrupt-block.c
@@ -1226,13 +1226,16 @@ int main(int argc, char **argv)
                if (logical == (u64)-1)
                        print_usage(1);
                trans = btrfs_start_transaction(root, 1);
+               BUG_ON(IS_ERR(trans));
                ret = corrupt_extent(trans, root, logical);
                btrfs_commit_transaction(trans, root);
                goto out_close;
        }
        if (extent_tree) {
                struct btrfs_trans_handle *trans;
+
                trans = btrfs_start_transaction(root, 1);
+               BUG_ON(IS_ERR(trans));
                btrfs_corrupt_extent_tree(trans, root->fs_info->extent_root,
                                          root->fs_info->extent_root->node);
                btrfs_commit_transaction(trans, root);
@@ -1258,6 +1261,7 @@ int main(int argc, char **argv)
                        goto out_close;
                }
                trans = btrfs_start_transaction(root, 1);
+               BUG_ON(IS_ERR(trans));
                ret = corrupt_item_nocow(trans, root->fs_info->chunk_root,
                                         path, del);
                if (ret < 0)
@@ -1267,7 +1271,9 @@ int main(int argc, char **argv)
        }
        if (chunk_tree) {
                struct btrfs_trans_handle *trans;
+
                trans = btrfs_start_transaction(root, 1);
+               BUG_ON(IS_ERR(trans));
                ret = corrupt_chunk_tree(trans, root->fs_info->chunk_root);
                if (ret < 0)
                        fprintf(stderr, "Failed to corrupt chunk tree\n");
@@ -1281,6 +1287,7 @@ int main(int argc, char **argv)
                        print_usage(1);
 
                trans = btrfs_start_transaction(root, 1);
+               BUG_ON(IS_ERR(trans));
                if (file_extent == (u64)-1) {
                        printf("corrupting inode\n");
                        ret = corrupt_inode(trans, root, inode, field);