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Btrfs: Add failure handling for read_sys_array

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason 2008-04-25 09:04:37 -04:00
parent 004fb57506
commit 84eed90fac
2 changed files with 18 additions and 9 deletions
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11
fs/btrfs/disk-io.c
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@ -1278,7 +1278,11 @@ struct btrfs_root *open_ctree(struct super_block *sb,
mutex_lock(&fs_info->fs_mutex);
ret = btrfs_read_sys_array(tree_root);
BUG_ON(ret);
if (ret) {
printk("btrfs: failed to read the system array on %s\n",
sb->s_id);
goto fail_sys_array;
}
blocksize = btrfs_level_size(tree_root,
btrfs_super_chunk_root_level(disk_super));
@ -1335,8 +1339,9 @@ struct btrfs_root *open_ctree(struct super_block *sb,
fail_extent_root:
free_extent_buffer(extent_root->node);
fail_tree_root:
mutex_unlock(&fs_info->fs_mutex);
free_extent_buffer(tree_root->node);
fail_sys_array:
mutex_unlock(&fs_info->fs_mutex);
fail_sb_buffer:
free_extent_buffer(fs_info->sb_buffer);
extent_io_tree_empty_lru(&BTRFS_I(fs_info->btree_inode)->io_tree);
@ -1344,6 +1349,8 @@ fail_iput:
iput(fs_info->btree_inode);
fail:
close_all_devices(fs_info);
btrfs_mapping_tree_free(&fs_info->mapping_tree);
kfree(extent_root);
kfree(tree_root);
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,23)