3.16.40-rc1 review patch. If anyone has any objections, please let me know. ------------------ From: gmail <yngsion@xxxxxxxxx> commit e81d44778d1d57bbaef9e24c4eac7c8a7a401d40 upstream. The commit 6050d47adcad: "ext4: bail out from make_indexed_dir() on first error" could end up leaking bh2 in the error path. [ Also avoid renaming bh2 to bh, which just confuses things --tytso ] Signed-off-by: yangsheng <yngsion@xxxxxxxxx> Signed-off-by: Theodore Ts'o <tytso@xxxxxxx> [bwh: Backported to 3.16: adjust context] Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx> --- fs/ext4/namei.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1845,33 +1845,31 @@ static int make_indexed_dir(handle_t *ha frame->entries = entries; frame->at = entries; frame->bh = bh; - bh = bh2; retval = ext4_handle_dirty_dx_node(handle, dir, frame->bh); if (retval) goto out_frames; - retval = ext4_handle_dirty_dirent_node(handle, dir, bh); + retval = ext4_handle_dirty_dirent_node(handle, dir, bh2); if (retval) goto out_frames; - de = do_split(handle,dir, &bh, frame, &hinfo); + de = do_split(handle,dir, &bh2, frame, &hinfo); if (IS_ERR(de)) { retval = PTR_ERR(de); goto out_frames; } - dx_release(frames); - retval = add_dirent_to_buf(handle, dentry, inode, de, bh); - brelse(bh); - return retval; + retval = add_dirent_to_buf(handle, dentry, inode, de, bh2); out_frames: /* * Even if the block split failed, we have to properly write * out all the changes we did so far. Otherwise we can end up * with corrupted filesystem. */ - ext4_mark_inode_dirty(handle, dir); + if (retval) + ext4_mark_inode_dirty(handle, dir); dx_release(frames); + brelse(bh2); return retval; }