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Date:   Wed, 7 Dec 2022 21:22:23 +0100
From:   Wolfram Sang <wsa@kernel.org>
To:     Hui Tang <tanghui20@huawei.com>
Cc:     peda@axentia.se, linux-i2c@vger.kernel.org,
        linux-kernel@vger.kernel.org
Subject: Re: [PATCH] i2c: mux: reg: Fix possible null-ptr-deref
Message-ID: <Y5D1/54Y5usunN7p@shikoro>
Mail-Followup-To: Wolfram Sang <wsa@kernel.org>,
        Hui Tang <tanghui20@huawei.com>, peda@axentia.se,
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References: <20221114004322.257455-1-tanghui20@huawei.com>
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On Mon, Nov 14, 2022 at 08:43:22AM +0800, Hui Tang wrote:
> It will cause null-ptr-deref when resource_size(res) invoked,
> if platform_get_resource() returns NULL.
>=20
> Fixes: b3fdd32799d8 ("i2c: mux: Add register-based mux i2c-mux-reg")
> Signed-off-by: Hui Tang <tanghui20@huawei.com>

Correct, yet I applied this older patch instead:

http://patchwork.ozlabs.org/project/linux-i2c/patch/20221029093825.3425857-=
1-yangyingliang@huawei.com/


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