From 28c16cbbc32781224309e50cc99c684f2498bc59 Mon Sep 17 00:00:00 2001 From: Wang Shilong Date: Wed, 23 Apr 2014 19:33:35 +0800 Subject: [PATCH] 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: Wang Shilong Signed-off-by: Chris Mason --- fs/btrfs/disk-io.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 6d1ac7d46f81..0e4fb4a5c7f0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2864,7 +2864,7 @@ retry_root_backup: 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 @@ retry_root_backup: "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) { -- 2.20.1