Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp314535pxu; Wed, 25 Nov 2020 04:04:01 -0800 (PST) X-Google-Smtp-Source: ABdhPJzp6Zn4ssaZR0lhl+9LfN73RuQYKm70BsjVeeTRY0aQCyeFj8hml9LVGNutlj6tte71pLdr X-Received: by 2002:a17:906:7f95:: with SMTP id f21mr2912908ejr.340.1606305841618; Wed, 25 Nov 2020 04:04:01 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1606305841; cv=none; d=google.com; s=arc-20160816; b=mWXUoTk9zB9ZPGTLNBDMRcEM5PaVWFc6/v9y7MTUSMWJ1lZB/Ko5FrJU2iRvNoUd5L xaqSnxvd35FEJu/XugwfebBu1OgyXZrsZHjoZgDl5upOsuZK8RVI04oxxcsrXN2Sa5eW R4EYLZ6e9gtDeT/wBdeLqAwzE6seIyST+7VcrC4PJwRmylW1TTKIfRXFpCMoRQWnL23I miZqY5DMtw7rJgw7CrDez5IKq5VMf99EJHfz+IJsTVihc2Xur9y+To7PTJjOnxEWkxgr wFOe7WdTsPunzs5P/owyc3oss0lXZ3OHOV7Q/zpyRwtxpGxSZIIySkivg8M/OSxi2ffO SctA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:date:message-id:subject:references:in-reply-to :cc:to:from; bh=Zx4QGic4a6gZj19F/Jzpj/PlUljdLns4AlBIju7BKus=; b=JVG+NSZbuRxTZ1ZW6e0j8dFo150MPzfE3Wx/pvhul8lut28H17auEmdP4GxR/CaB6E kdGcQ/w29bDGh04FYLpFjiOC1WsoKWWSjq3j+fwz5+Ec8UqZoFhSl281KKkJ8P2K15N/ KKdoxBxQXJQpsr5t7LR+NyqzVlRdFFoEQvMdnT+Z9mL1XIPJErAzahAN/6Y/0mKCABT7 tZ4pOTxGu8rlZL1sbrTGs02lQ3N+aYdTGVh2G/gmpxeIoWSflT7ds39YvV7XNtLj46Qo HfPugK22OBuKD0r84CBoG3B2+snirKyatZdIEu9D7aOnKjd86NAqvLWyP6WGC9+x7UMI PGbA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id lm18si1108285ejb.537.2020.11.25.04.03.37; Wed, 25 Nov 2020 04:04:01 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729131AbgKYL6U (ORCPT + 99 others); Wed, 25 Nov 2020 06:58:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44584 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728243AbgKYL6U (ORCPT ); Wed, 25 Nov 2020 06:58:20 -0500 Received: from ozlabs.org (bilbo.ozlabs.org [IPv6:2401:3900:2:1::2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B5BF1C0613D4 for ; Wed, 25 Nov 2020 03:58:19 -0800 (PST) Received: by ozlabs.org (Postfix, from userid 1034) id 4Cgzsy71f5z9sW0; Wed, 25 Nov 2020 22:57:58 +1100 (AEDT) From: Michael Ellerman To: paulus@samba.org, "xiakaixu1987@gmail.com" , mpe@ellerman.id.au, benh@kernel.crashing.org Cc: linux-kernel@vger.kernel.org, Kaixu Xia , linuxppc-dev@lists.ozlabs.org In-Reply-To: <1604976961-20441-1-git-send-email-kaixuxia@tencent.com> References: <1604976961-20441-1-git-send-email-kaixuxia@tencent.com> Subject: Re: [PATCH] powerpc/mm: Fix comparing pointer to 0 warning Message-Id: <160630540419.2174375.11309649223886745354.b4-ty@ellerman.id.au> Date: Wed, 25 Nov 2020 22:57:58 +1100 (AEDT) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 10 Nov 2020 10:56:01 +0800, xiakaixu1987@gmail.com wrote: > Fixes coccicheck warning: > > ./arch/powerpc/mm/pgtable_32.c:87:11-12: WARNING comparing pointer to 0 > > Avoid pointer type value compared to 0. Applied to powerpc/next. [1/1] powerpc/mm: Fix comparing pointer to 0 warning https://git.kernel.org/powerpc/c/b84bf098fcc49ed6bf4b0a8bed52e9df0e8f1de7 cheers