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 5FA7BC433EF for ; Sat, 19 Feb 2022 11:46:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242129AbiBSLrB (ORCPT ); Sat, 19 Feb 2022 06:47:01 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:51638 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242065AbiBSLq4 (ORCPT ); Sat, 19 Feb 2022 06:46:56 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 05F8A527FA; Sat, 19 Feb 2022 03:46:35 -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 31D0B600BE; Sat, 19 Feb 2022 11:46:35 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E9B27C004E1; Sat, 19 Feb 2022 11:46:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645271194; bh=4e/EgJDWhV8NcQ9F1WRKKUhaV4k3ES3qD2lohhNixgc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=mFGue8N3CUxwJsvCcKrsau/6OTQ4P5Us7Bud3nm5ECQt60R5Qvmy8rvEOZfdW0RkD qK/oWHsytBv3l8CxZ6e0wqeftvE9zjln8PrNdQwWUXVYKq5vRDSbgnI0GaYnCwjm9L nnxGi0cxH4IUJut96BNYkC/M5echjoS6SdlWWKavq9+HzEcAg55esXXFDOhHoNjiQs K0UdnaLm7NGgF3bwesu0t8+mIvGFSEmmX+BytW3O+SA2FQ5S8C+TDS+LAkiquds3mn uuLidCBMl/BrvVYbDU2vtSgQT5K2IxrHcc3yR3+kETn1IlGQd9KNN8RHgu3ch3HeA3 84Gvb4m1yzrxA== Date: Sat, 19 Feb 2022 12:46:31 +0100 From: Wolfram Sang To: Andy Shevchenko Cc: linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+0591ccf54ee05344e4eb@syzkaller.appspotmail.com Subject: Re: [PATCH v1 1/1] i2c: smbus: Check for parent device before dereference Message-ID: Mail-Followup-To: Wolfram Sang , Andy Shevchenko , linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, syzbot+0591ccf54ee05344e4eb@syzkaller.appspotmail.com References: <20220204155920.13364-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="a3Sxlhtvp78kjkDe" Content-Disposition: inline In-Reply-To: <20220204155920.13364-1-andriy.shevchenko@linux.intel.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --a3Sxlhtvp78kjkDe Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Feb 04, 2022 at 05:59:20PM +0200, Andy Shevchenko wrote: > An I=C2=B2C adapter might be instantiated without parent. In such case > there is no property can be retrieved. Skip SMBus alert setup when > this happens. >=20 > Fixes: a263a84088f6 ("i2c: smbus: Use device_*() functions instead of of_= *()") > Reported-by: syzbot+0591ccf54ee05344e4eb@syzkaller.appspotmail.com > Signed-off-by: Andy Shevchenko Applied to for-next, thanks! --a3Sxlhtvp78kjkDe Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmIQ2JcACgkQFA3kzBSg KbaOPRAAmMwzzC/YZTcoUZ9HdlOLGkjw5yVQTyO6EP8R7NvNf6IDT0decClMNSuJ XkWt1jIdRxNF+5gbh8/NvaHtdL5C7p20kgp6+JSw/kBBJ5VNCY5lqbXzK8+LAu6a IczSC16Ec+xuGIeK+98HYyg56csYf+NM6AyyhK2f14wF8ODKbyyL8PxKTXapA9i9 s3Djm3gVuFseGTw+yGI77qSHkIF83+ZLJh2xDVcd04mwSdfBTEaIHLABpk0W7zMe hVQr3VMdUioogBh2Pb5kuh8zat0q1+xbh31Fis1Q1gLM/0EGBPnWo0YY7Of83meY 3pNp01bDZQhZ2JaOyCom9CeHI0rDNHSdRrAFH4jbPGMasU9QAZZiSpHjnRDQwzMu mzDVP8uGcqB4bDlmJYKlMrQAZk/TvXIyxeyIfuNZwqhPd7dgLzsjqptuhnRKHaSl YDjE9sF2/E2+HDYE0csfhxpbXQ4vbykEs40/aOsZ+xdIXjxwBPSV10lFg7bOHuyk XPRWCZzjDwksxPS+Gxw0gmniWzI9lXQz0cgEaJU/fVCq2Ed5r9NdyPZtaGEck/6F lqNq3fBMKeVaxoPCj9WTBpybFmPbRGOKuwubN18wzE9rzMH41Wbvagd1OB/hjcPK cRbCih2ccruH/WKuDIYhJ5pn/geCpt9NxJK5Wm68RiJset685ao= =YrJQ -----END PGP SIGNATURE----- --a3Sxlhtvp78kjkDe--