linux-kernel - Re: [PATCH AUTOSEL 5.14 28/40] net: mdiobus: Fix memory leak in __mdiobus

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Message-ID: <YVxa7w8JWOMPOQsp@lunn.ch>
Date:   Tue, 5 Oct 2021 16:02:23 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Sasha Levin <sashal@...nel.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Yanfei Xu <yanfei.xu@...driver.com>,
        syzbot+398e7dc692ddbbb4cfec@...kaller.appspotmail.com,
        "David S . Miller" <davem@...emloft.net>, hkallweit1@...il.com,
        kuba@...nel.org, netdev@...r.kernel.org
Subject: Re: [PATCH AUTOSEL 5.14 28/40] net: mdiobus: Fix memory leak in
 __mdiobus_register

On Tue, Oct 05, 2021 at 09:50:07AM -0400, Sasha Levin wrote:
> From: Yanfei Xu <yanfei.xu@...driver.com>
> 
> [ Upstream commit ab609f25d19858513919369ff3d9a63c02cd9e2e ]
> 
> Once device_register() failed, we should call put_device() to
> decrement reference count for cleanup. Or it will cause memory
> leak.

Hi Sasha

https://lkml.org/lkml/2021/10/4/1427

Please don't backport for any stable kernel.

	Andrew