linux-kernel - Re: [PATCH] ieee802154: hwsim: Fix possible memory leak in hwsim_subscribe_all

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Message-ID: <CAB_54W4djgY19-z8Pr9A4FgECDTESwjprk-P-x4gQCLBxvt3xA@mail.gmail.com>
Date:   Sat, 12 Jun 2021 08:49:28 -0400
From:   Alexander Aring <alex.aring@...il.com>
To:     Dongliang Mu <mudongliangabcd@...il.com>
Cc:     Stefan Schmidt <stefan@...enfreihafen.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        linux-wpan - ML <linux-wpan@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        kernel list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ieee802154: hwsim: Fix possible memory leak in hwsim_subscribe_all_others

Hi,

On Thu, 10 Jun 2021 at 21:58, Dongliang Mu <mudongliangabcd@...il.com> wrote:
>
> In hwsim_subscribe_all_others, the error handling code performs
> incorrectly if the second hwsim_alloc_edge fails. When this issue occurs,
> it goes to sub_fail, without cleaning the edges allocated before.
>
> Fixes: f25da51fdc38 ("ieee802154: hwsim: add replacement for fakelb")
> Signed-off-by: Dongliang Mu <mudongliangabcd@...il.com>

Acked-by: Alexander Aring <aahringo@...hat.com>

sorry, it is a correct fix. Thanks.

- Alex