linux-kernel - RE: [PATCH v2] net: mana: Fix possible double free in error handling path

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Message-ID:
 <PAXPR83MB0559828A8A2511451BE7C7DBB4D52@PAXPR83MB0559.EURPRD83.prod.outlook.com>
Date: Tue, 25 Jun 2024 09:41:21 +0000
From: Konstantin Taranov <kotaranov@...rosoft.com>
To: Ma Ke <make24@...as.ac.cn>, KY Srinivasan <kys@...rosoft.com>, Haiyang
 Zhang <haiyangz@...rosoft.com>, "wei.liu@...nel.org" <wei.liu@...nel.org>,
	Dexuan Cui <decui@...rosoft.com>, "davem@...emloft.net"
	<davem@...emloft.net>, "edumazet@...gle.com" <edumazet@...gle.com>,
	"kuba@...nel.org" <kuba@...nel.org>, "pabeni@...hat.com" <pabeni@...hat.com>,
	"shradhagupta@...ux.microsoft.com" <shradhagupta@...ux.microsoft.com>,
	"horms@...nel.org" <horms@...nel.org>, "schakrabarti@...ux.microsoft.com"
	<schakrabarti@...ux.microsoft.com>, "erick.archer@...look.com"
	<erick.archer@...look.com>
CC: "linux-hyperv@...r.kernel.org" <linux-hyperv@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2] net: mana: Fix possible double free in error handling
 path


> When auxiliary_device_add() returns error and then calls
> auxiliary_device_uninit(), callback function adev_release calls kfree(madev).
> We shouldn't call kfree(madev) again in the error handling path. Set 'madev'
> to NULL.
> 
> Signed-off-by: Ma Ke <make24@...as.ac.cn>
> ---
> Changes in v2:
> - streamlined the patch according suggestions;
> - revised the description.

The change is ok, but the commit message is missing a "Fixes" tag/line.
- Konstantin