From patchwork Thu Jun 10 09:40:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Li X-Patchwork-Id: 457920 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 A7D19C47094 for ; Thu, 10 Jun 2021 09:40:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8D1E5613FE for ; Thu, 10 Jun 2021 09:40:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229802AbhFJJmm (ORCPT ); Thu, 10 Jun 2021 05:42:42 -0400 Received: from out30-42.freemail.mail.aliyun.com ([115.124.30.42]:58422 "EHLO out30-42.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230216AbhFJJml (ORCPT ); Thu, 10 Jun 2021 05:42:41 -0400 X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R471e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=e01e04426; MF=yang.lee@linux.alibaba.com; NM=1; PH=DS; RN=8; SR=0; TI=SMTPD_---0UbxKN6e_1623318041; Received: from j63c13417.sqa.eu95.tbsite.net(mailfrom:yang.lee@linux.alibaba.com fp:SMTPD_---0UbxKN6e_1623318041) by smtp.aliyun-inc.com(127.0.0.1); Thu, 10 Jun 2021 17:40:43 +0800 From: Yang Li To: rjw@rjwysocki.net Cc: lenb@kernel.org, nathan@kernel.org, ndesaulniers@google.com, linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Yang Li Subject: [PATCH -next 1/2] ACPI: processor_throttling: Remove redundant initialization of 'obj' Date: Thu, 10 Jun 2021 17:40:38 +0800 Message-Id: <1623318039-57133-1-git-send-email-yang.lee@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org 'obj' is being initialized, however this value is never read as 'obj' is assigned an updated value later. Remove the redundant initialization. Clean up clang warning: drivers/acpi/processor_throttling.c:409:20: warning: Value stored to 'obj' during its initialization is never read [clang-analyzer-deadcode.DeadStores] Reported-by: Abaci Robot Signed-off-by: Yang Li --- drivers/acpi/processor_throttling.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index 0086afe..017fd02 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -406,7 +406,7 @@ static int acpi_processor_get_throttling_control(struct acpi_processor *pr) acpi_status status = 0; struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *ptc = NULL; - union acpi_object obj = { 0 }; + union acpi_object obj; struct acpi_processor_throttling *throttling; status = acpi_evaluate_object(pr->handle, "_PTC", NULL, &buffer);