From patchwork Tue Dec 7 08:32:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: CGEL X-Patchwork-Id: 12661337 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id 87667C433EF for ; Tue, 7 Dec 2021 08:32:50 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id D31006B0092; Tue, 7 Dec 2021 03:32:39 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id CE15B6B0093; Tue, 7 Dec 2021 03:32:39 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id BA8ED6B0095; Tue, 7 Dec 2021 03:32:39 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0037.hostedemail.com [216.40.44.37]) by kanga.kvack.org (Postfix) with ESMTP id A6AC36B0092 for ; Tue, 7 Dec 2021 03:32:39 -0500 (EST) Received: from smtpin06.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 633368249980 for ; Tue, 7 Dec 2021 08:32:29 +0000 (UTC) X-FDA: 78890331618.06.B58CC19 Received: from mail-pj1-f47.google.com (mail-pj1-f47.google.com [209.85.216.47]) by imf24.hostedemail.com (Postfix) with ESMTP id 08549B00009D for ; Tue, 7 Dec 2021 08:32:28 +0000 (UTC) Received: by mail-pj1-f47.google.com with SMTP id np6-20020a17090b4c4600b001a90b011e06so2029200pjb.5 for ; Tue, 07 Dec 2021 00:32:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=xfWsedxdFoV1274mxC0yfxwctidX1YkVFdQQhiVSYhg=; b=J259e89vWXSteoTpWUD3tOVP+lwQB9cYfrchw+Of5SHk61kx3Dh/TWK45Yr/YR16O6 tiCyT26daiEPNza2IZ9GdpxdQAgmT0+V6Yr8gVRcsU+D+x7iZsUXmGvKAChoTW3v/O75 YnMhM03/A7LHz/w/uskSiZo0o4vD2QPeaStJ4b8dDu4X46V6iK11Ipm29Guz3U6aTDmg 5kqqZF2LJcjNAOXeW8n0Tn46svd7nlJm1oS7IJhrS+qN6yaEz4iEPBvOZOxDkGVoTh+j ZXuUVCOnTJEWL3ORFZY1jeLZpZkhKMmcdKmwFtEN7fJQSrirw/02+lyA36ZKPou7Pb5y l8ow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=xfWsedxdFoV1274mxC0yfxwctidX1YkVFdQQhiVSYhg=; b=qj+ZKq+7Hv+/MWHbqWVSNruGsRVeXGeKiSMB/xnXt0KDcjeY2L55j1Jm01BVqGqNOl Uc+Gm8KPKXAYzIQJ1wfLweEjuPHMwHLSxYCO4j0xQbeuL0XxPgTXfnjxPMjVbjjsksfN nZwrA7k3djBkjgJQ04tQ+G82iwhpqVAl0LdLL5d9G004L9iP9JVGyghY8maug7j1EEV7 3sA/tzJaLffUQ8LUvxlXC6gLadlNBXThSaQCVsQa4WtxtVpYJpATlttGbr1b5IFL0bfk 5Rv62lMU41J3afS/8m3LALJ1r6AApHx7oNUBt/cz0Pc9pO15Lih2nHQAypU3ZJRLb3Pd czuQ== X-Gm-Message-State: AOAM532P5X8OJl05XMhN11WmLE2PDyvLXOQ6VcckzUuPsAlvH1iy9T6P hW0i+R92j++7yOujc8wFwMJGVhGLKmI= X-Google-Smtp-Source: ABdhPJyzIeaBMTbqBIrWsFJHAe+pLEQodnIcHy0i8XhDdHScFvyACPumTIzYAPyGHpEFqpRe2aWNAg== X-Received: by 2002:a17:90b:1b4a:: with SMTP id nv10mr4953972pjb.118.1638865948166; Tue, 07 Dec 2021 00:32:28 -0800 (PST) Received: from localhost.localdomain ([193.203.214.57]) by smtp.gmail.com with ESMTPSA id o16sm16219765pfu.72.2021.12.07.00.32.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Dec 2021 00:32:27 -0800 (PST) From: cgel.zte@gmail.com X-Google-Original-From: chi.minghao@zte.com.cn To: akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, chiminghao , Zeal Robot Subject: [PATCH] mm:remove unneeded variable Date: Tue, 7 Dec 2021 08:32:22 +0000 Message-Id: <20211207083222.401594-1-chi.minghao@zte.com.cn> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-Stat-Signature: 36kru8qd5qcmaarrkdymh38i95msxc6r Authentication-Results: imf24.hostedemail.com; dkim=pass header.d=gmail.com header.s=20210112 header.b=J259e89v; spf=pass (imf24.hostedemail.com: domain of cgel.zte@gmail.com designates 209.85.216.47 as permitted sender) smtp.mailfrom=cgel.zte@gmail.com; dmarc=pass (policy=none) header.from=gmail.com X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: 08549B00009D X-HE-Tag: 1638865948-888565 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: From: chiminghao return value form directly instead of taking this in another redundant variable. Reported-by: Zeal Robot Signed-off-by: chiminghao Reviewed-by: David Hildenbrand Reviewed-by: Muchun Song --- mm/truncate.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/mm/truncate.c b/mm/truncate.c index cc83a3f7c1ad..41b8249b3b4a 100644 --- a/mm/truncate.c +++ b/mm/truncate.c @@ -205,7 +205,6 @@ static void truncate_cleanup_page(struct page *page) static int invalidate_complete_page(struct address_space *mapping, struct page *page) { - int ret; if (page->mapping != mapping) return 0; @@ -213,9 +212,7 @@ invalidate_complete_page(struct address_space *mapping, struct page *page) if (page_has_private(page) && !try_to_release_page(page, 0)) return 0; - ret = remove_mapping(mapping, page); - - return ret; + return remove_mapping(mapping, page); } int truncate_inode_page(struct address_space *mapping, struct page *page)