From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 98CB3C4708D for ; Wed, 7 Dec 2022 20:22:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229739AbiLGUWb (ORCPT ); Wed, 7 Dec 2022 15:22:31 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44906 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229820AbiLGUW3 (ORCPT ); Wed, 7 Dec 2022 15:22:29 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20A457BC0C; Wed, 7 Dec 2022 12:22:28 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 944C161C06; Wed, 7 Dec 2022 20:22:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 6CC4AC433D6; Wed, 7 Dec 2022 20:22:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1670444547; bh=7wXg3ixlzsDj71dQRA5g0RkeRfJAGbHsphI84xn5iZk=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=gShsLQ2rg+sxjtOXLx7GMpnOtS6Y+Sb+E/PCrvvIShd/5oAJYqyPSvsiKK6S8FwQx 1RLEZGLiRbjL5vOig0GFxhCjnCeTKZdhdW+NAZJXVVxvOEiTrJcX0VQepUYQgC9A83 ESgMRxJgaHoyFHDmh52ePNb4x2fdtn3RQzbZeqsMmLclGcOx9fFXAVCp/1Kl2khx8e tzF0Y5CIi13Z2KNU/bjpx7c9mCelCqjMQDrHW3VDEHYpKckU8jRkKDGeQ1S5GwKlDM /MSonAY4hLw3krwi+/x8tJBvbGgoPSPbRZpJEGLFtmfdyn/2oI3WK/t1koj8D1n9pZ +suPNsWvG1cTQ== Date: Wed, 7 Dec 2022 21:22:23 +0100 From: Wolfram Sang To: Hui Tang 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: Mail-Followup-To: Wolfram Sang , Hui Tang , peda@axentia.se, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org References: <20221114004322.257455-1-tanghui20@huawei.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="dOZsUW65Wy1JpaG1" Content-Disposition: inline In-Reply-To: <20221114004322.257455-1-tanghui20@huawei.com> Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --dOZsUW65Wy1JpaG1 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 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 Correct, yet I applied this older patch instead: http://patchwork.ozlabs.org/project/linux-i2c/patch/20221029093825.3425857-= 1-yangyingliang@huawei.com/ --dOZsUW65Wy1JpaG1 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmOQ9f8ACgkQFA3kzBSg KbZXnw//cXuxwFW7aeMSCtVVR/ybvahkXABUSQOo9q2vqBE+RR+mozrk6i6BBvPP AN+5jUDdeCLo6yEjtvoPGEchsCt4ilGR3f6d3RzgTAdScyXvooNOn6flTk1UbgTi Ns86SZx/GzCWaj7XIsr5YFd3JVpxUjp8SAdEOcJjuFdbCXZ3gb0sZ/+KQeFVb/E7 3I49leMS2ldtjxMFwHtV3IKcCaVGv3epy8WrwOa/+LOw5ex1/4hKTM3PSJB++ZDv oHWbN92D+24DvbrZazIIof3lpZnyobdrjQfIcx64nx9cBt/+jghogwH/Kzjz19s6 R0X3UD+ckQSWNBD9KMlr3X9OsFb74TXtZppr8zaCs0BfELaNgqASnKYN8I1VrFZK 9AVpGSxMSyeS+RrW3cmhJT4NRAWk+RoBHQydFvFjFEy7GLzNzhyQqtFIVI0tNKtW 91fxWIKaoaXNz3m8GoCLuZaIHLuaqH1n832ILZQRtHotYhnMbb8BbToflyO9ggr7 EV1+Cvb/me39bRBDTPiLjnu/2NSN2kUp9VXEDs7snYFuHdOxWlTFkX5GgJyMcc3L 3Wz1m2WXXn+2NCke0RofDbiV0oKPRHIGUB8FcxDhow6/Mn/eC8U4bQkN4ASxJYMP U5M6lZBWJ8mEgZoFPUQGcYeXBUKCOlt0+PUpdAoG9hp/+0pm+ns= =qIj5 -----END PGP SIGNATURE----- --dOZsUW65Wy1JpaG1--