From patchwork Tue Jun 29 11:27:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: luanshi X-Patchwork-Id: 12349709 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT 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 7AB80C11F66 for ; Tue, 29 Jun 2021 11:28:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5B75261DAC for ; Tue, 29 Jun 2021 11:28:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233309AbhF2La1 (ORCPT ); Tue, 29 Jun 2021 07:30:27 -0400 Received: from out30-43.freemail.mail.aliyun.com ([115.124.30.43]:59676 "EHLO out30-43.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233281AbhF2La1 (ORCPT ); Tue, 29 Jun 2021 07:30:27 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R731e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04400;MF=zhangliguang@linux.alibaba.com;NM=1;PH=DS;RN=5;SR=0;TI=SMTPD_---0Ue4wqmP_1624966071; Received: from localhost(mailfrom:zhangliguang@linux.alibaba.com fp:SMTPD_---0Ue4wqmP_1624966071) by smtp.aliyun-inc.com(127.0.0.1); Tue, 29 Jun 2021 19:27:58 +0800 From: Liguang Zhang To: "Rafael J. Wysocki" , Len Brown Cc: linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, Liguang Zhang Subject: [PATCH] ACPI / amba: Fix resource name in /proc/iomem Date: Tue, 29 Jun 2021 19:27:48 +0800 Message-Id: <20210629112748.23734-1-zhangliguang@linux.alibaba.com> X-Mailer: git-send-email 2.19.1.6.gb485710b MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org In function amba_handler_attach(), dev->res.name is initialized by amba_device_alloc. But when address_found is false, dev->res.name is assigned to null value, which leads to wrong resource name display in /proc/iomem, "" is seen for those resources. Signed-off-by: Liguang Zhang --- drivers/acpi/acpi_amba.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/acpi/acpi_amba.c b/drivers/acpi/acpi_amba.c index 49b781a9cd97..ab8a4e0191b1 100644 --- a/drivers/acpi/acpi_amba.c +++ b/drivers/acpi/acpi_amba.c @@ -76,6 +76,7 @@ static int amba_handler_attach(struct acpi_device *adev, case IORESOURCE_MEM: if (!address_found) { dev->res = *rentry->res; + dev->res.name = dev_name(&dev->dev); address_found = true; } break;