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 X-Spam-Level: X-Spam-Status: No, score=-5.5 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3E125C10F13 for ; Tue, 16 Apr 2019 07:14:38 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 043532073F for ; Tue, 16 Apr 2019 07:14:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="mzXiOfSb" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 043532073F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ucw.cz Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=9eLmYzEjKqnP//7v7IfGIGTJwJX+q+KcpiVoVZa/oLU=; b=mzXiOfSbYBRPZ/Pu/t4vWK2mx EA8QfDtiUACDwU6t6L9o2Uc8edBt7enJQkWvXTuRH+2iFKDUyooCTczqOLlmIrZOQ07ts0SYLDT2S vwn6ysQ3xVTwoitenWjum5EY+yUU+Y9+7SBKs3uHJuSSpJOl+qr1O1NiMqAAonmmT+dx6ahQ7X+Rb XKrqHpezlFNiiUajuSgpkocE3t9MHN6CoIFumroutsWUAvoQCseb2g3x6HauBVPwT8sRCsWcotTWk DWl8kYFZi/ug7/SnF2E/L20Ps/OdGrrp4gLPZulZjGnzlSLWElXWXVEPS3szK902FUoZ9gLXukBBd /vrvXBmGA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hGIIZ-0002zE-RY; Tue, 16 Apr 2019 07:14:31 +0000 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hGIIW-0002yX-Fh for linux-arm-kernel@lists.infradead.org; Tue, 16 Apr 2019 07:14:30 +0000 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id A23BE80349; Tue, 16 Apr 2019 09:14:12 +0200 (CEST) Date: Tue, 16 Apr 2019 09:14:20 +0200 From: Pavel Machek To: Aaro Koskinen Subject: Re: [PATCH] ARM: OMAP1: ams-delta: fix early boot crash when LED support is disabled Message-ID: <20190416071420.GA14538@amd> References: <20190415233732.3612-1-aaro.koskinen@iki.fi> MIME-Version: 1.0 In-Reply-To: <20190415233732.3612-1-aaro.koskinen@iki.fi> User-Agent: Mutt/1.5.23 (2014-03-12) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190416_001428_671333_2B0E9F6B X-CRM114-Status: GOOD ( 11.00 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Tony Lindgren , Linus Walleij , Janusz Krzysztofik , linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============8792217256881084373==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============8792217256881084373== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="T4sUOijqQbZv57TR" Content-Disposition: inline --T4sUOijqQbZv57TR Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue 2019-04-16 02:37:32, Aaro Koskinen wrote: > When we boot with the LED support (CONFIG_NEW_LEDS) disabled, > gpio_led_register_device() will return a NULL pointer and we try > to dereference it. Fix by checking also for a NULL pointer. >=20 > Fixes: 19a2668a8ae3 ("ARM: OMAP1: ams-delta: Provide GPIO lookup table fo= r LED device") > Signed-off-by: Aaro Koskinen Acked-by: Pavel Machek --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --T4sUOijqQbZv57TR Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAly1gMwACgkQMOfwapXb+vLNiACgtHM3J/eHilRjovPi/HsUecPJ 3sgAnAnEyk1CZ+d8gZTBslnBFEdng6lt =fEhN -----END PGP SIGNATURE----- --T4sUOijqQbZv57TR-- --===============8792217256881084373== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============8792217256881084373==--