Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp8198905ybi; Tue, 23 Jul 2019 04:32:51 -0700 (PDT) X-Google-Smtp-Source: APXvYqwfIAHduCc+FlyLNXrwdFKT6KFkKJG6oaH7eu07i0zefA0dBSoD8A/n+V/ltjIeYFxsTqcq X-Received: by 2002:a65:6709:: with SMTP id u9mr48168073pgf.58.1563881570810; Tue, 23 Jul 2019 04:32:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563881570; cv=none; d=google.com; s=arc-20160816; b=aitgIKOMbWcWygHYIbETqexUKN8epO0P62xNPnU5CGXwe9JOHIjyNWId3ZLZ0ElVQd v2y7peXIB0+dSmd+gbkEgq4hDtv14A0qrUIxg+Hgiupls83CxCVBLAK7d4qW1m0B6zD5 YOBu1Q2EbYkD0xhADPDSp7XNJf1AzHZVZ65C2+0T4wwkNGkLpPj+PIH+aoYT9/kp+nvf MyIcLXOjWzojaDg2FbbkX4MCUS5U37PGupeg0trWq3fwiflu5i+zepVljjBpFUB8B4wB lG4q4Ah3ylx58Xf89YpCSosEWuXaNlTKL0p6W0qekHZh0fbE7VJpPsdisd/4WL8U+LMu OWdw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:from:references:cc:to:subject; bh=Hrr0JeRgfJFqiwnFE9M1xh5Y18bwoL13dlkgJzGBCcM=; b=nKD4aLHHKbHKRtR/MmECyFYyHtc1kcQNWs4yepm2XxHAVxvhwlfaL6HRCV/Z1wdkgG GxfHculo6nRJdMZEoHHhcBCcVx401aqQV0+GeN1rO17OVUxqLe1Ng8Z19PZ50b32DDAd eEH8Nu1oaHxaE0m2pPz3aNeMMytyB6LdThVMLGBbF9uAS9dLeFjfIH4f+Su0/rKn1Yx3 w9VcD9wveE86etISuiwSPRGj19sVLkhVugRDuW1coAT61O19u99G/gp8XxR/iaA/FZLD CHKi8Lx94LzHahAk/uWsgRx5rUD5Rip95u03uvLfqOR0DsSjBggWhHnZVXMvPedW+Dna 1HQw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id z6si2723385plo.193.2019.07.23.04.32.35; Tue, 23 Jul 2019 04:32:50 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387845AbfGWBlr (ORCPT + 99 others); Mon, 22 Jul 2019 21:41:47 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:56806 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728086AbfGWBlr (ORCPT ); Mon, 22 Jul 2019 21:41:47 -0400 Received: from DGGEMS408-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 7D0567083CA7C08087D1; Tue, 23 Jul 2019 09:41:44 +0800 (CST) Received: from [127.0.0.1] (10.177.223.23) by DGGEMS408-HUB.china.huawei.com (10.3.19.208) with Microsoft SMTP Server id 14.3.439.0; Tue, 23 Jul 2019 09:41:34 +0800 Subject: Re: [PATCH] ACPI/IORT: Rename arm_smmu_v3_set_proximity() 'node' local variable To: Lorenzo Pieralisi , CC: Will Deacon , Sudeep Holla , Catalin Marinas , Robin Murphy , Kefeng Wang , LKML , LAKML References: <20190722161433.23027-1-lorenzo.pieralisi@arm.com> From: Hanjun Guo Message-ID: <7743b3e7-da5f-667d-9222-7ecab5a20876@huawei.com> Date: Tue, 23 Jul 2019 09:41:17 +0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.5.0 MIME-Version: 1.0 In-Reply-To: <20190722161433.23027-1-lorenzo.pieralisi@arm.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-Originating-IP: [10.177.223.23] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 2019/7/23 0:14, Lorenzo Pieralisi wrote: > Commit 36a2ba07757d ("ACPI/IORT: Reject platform device creation on NUMA > node mapping failure") introduced a local variable 'node' in > arm_smmu_v3_set_proximity() that shadows the struct acpi_iort_node > pointer function parameter. > > Execution was unaffected but it is prone to errors and can lead > to subtle bugs. > > Rename the local variable to prevent any issue. > > Reported-by: Will Deacon > Signed-off-by: Lorenzo Pieralisi > Cc: Will Deacon > Cc: Hanjun Guo > Cc: Sudeep Holla > Cc: Catalin Marinas > Cc: Robin Murphy > Cc: Kefeng Wang > --- > drivers/acpi/arm64/iort.c | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) Reviewed-by: Hanjun Guo