Commit 28c16cbb authored by Wang Shilong's avatar Wang Shilong Committed by Chris Mason

Btrfs: fix possible memory leaks in open_ctree()

Fix possible memory leaks in the following error handling paths:

read_tree_block()
btrfs_recover_log_trees
btrfs_commit_super()
btrfs_find_orphan_roots()
btrfs_cleanup_fs_roots()
Signed-off-by: default avatarWang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <clm@fb.com>
parent e60efa84
......@@ -2864,7 +2864,7 @@ int open_ctree(struct super_block *sb,
printk(KERN_ERR "BTRFS: failed to read log tree\n");
free_extent_buffer(log_tree_root->node);
kfree(log_tree_root);
goto fail_trans_kthread;
goto fail_qgroup;
}
/* returns with log_tree_root freed on success */
ret = btrfs_recover_log_trees(log_tree_root);
......@@ -2873,24 +2873,24 @@ int open_ctree(struct super_block *sb,
"Failed to recover log tree");
free_extent_buffer(log_tree_root->node);
kfree(log_tree_root);
goto fail_trans_kthread;
goto fail_qgroup;
}
if (sb->s_flags & MS_RDONLY) {
ret = btrfs_commit_super(tree_root);
if (ret)
goto fail_trans_kthread;
goto fail_qgroup;
}
}
ret = btrfs_find_orphan_roots(tree_root);
if (ret)
goto fail_trans_kthread;
goto fail_qgroup;
if (!(sb->s_flags & MS_RDONLY)) {
ret = btrfs_cleanup_fs_roots(fs_info);
if (ret)
goto fail_trans_kthread;
goto fail_qgroup;
ret = btrfs_recover_relocation(tree_root);
if (ret < 0) {
......
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