Re: [PATCH -next] block: fix memory leak for elevator on add_disk failure

From: Yu Kuai
Date: Fri Oct 21 2022 - 21:55:59 EST


在 2022/10/21 11:47, Ming Lei 写道:
On Fri, Oct 21, 2022 at 11:39:50AM +0800, Yu Kuai wrote:
From: Yu Kuai <yukuai3@xxxxxxxxxx>

The default elevator is allocated in the begining of device_add_disk(),
however, it's not freed in the following error path.

Fixes: 737eb78e82d5 ("block: Delay default elevator initialization")

Originally elevator can be teardown in disk release, or queue release
earlier time, so the fixes tag should be:

Fixes: 50e34d78815e ("block: disable the elevator int del_gendisk")

You're right! Thanks for the notice, I'll send a new version.

Kuai


Thanks,
Ming

.