From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 6B90AC4646B for ; Mon, 24 Jun 2019 05:09:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 443302133F for ; Mon, 24 Jun 2019 05:09:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OktZxb05" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727881AbfFXFJu (ORCPT ); Mon, 24 Jun 2019 01:09:50 -0400 Received: from mail-pf1-f196.google.com ([209.85.210.196]:45983 "EHLO mail-pf1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726312AbfFXFJu (ORCPT ); Mon, 24 Jun 2019 01:09:50 -0400 Received: by mail-pf1-f196.google.com with SMTP id r1so6784388pfq.12 for ; Sun, 23 Jun 2019 22:09:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RVY6qs2x//IRTjLWtMXFvlJbom1+urYYXoetqrm4oak=; b=OktZxb05cA7jjdGotH5tWVi83rtdPg2lTEu1k0I13JUX5Cc7oGckdphOhmpETppIb/ WB/nd70i7joZsf6C/aoyjZglz4U0O2MHKtslPtrOacDf62vt9arL/Xbsjdb1f3l2OFUk 3bxvKb5zxBiSlia5bPgqP9/KmXTja+33FG2v/pZkgYSjv0U+SWbH/m3AbG2o5D/GLLQB oAmRI6J8U8i3xHTTAMItZu79RJGBTeEDMaxcSXJEeiX5AGwjXJY9N3gBuieoajvHr/fX R2UaNd/OCfk5AWAyMp77ZYZbYxaJ+tpVQD29b+5JU0/t1nzV6evqaSGn82ke1Agb20RK pN/w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=RVY6qs2x//IRTjLWtMXFvlJbom1+urYYXoetqrm4oak=; b=YHObqX8ZYgLqnEfxD8VXNDq83YtiOC3wjNuHPLPFLsujo1CuDsjfJGNBw/pgo+P/ho E1r07n766L+xCNUeKOTMmFAPxRDM4Xd2qg9gysDfUDfilmte+jntEfDWfFq/zdaoYT/m JJzecknUklzaSu657dxY41zcVGRDmCcvUmFA+5QEBfdTouKItwH+rPlNFAepi8bCCxUC ru7X/8ATeRpazZDLpSXqpR75QoAzvzcYINnFr1HGEB+hglamcQBuOBRvzMT0ptmJU2uf zG8GiU+icFYtZe9lcLzC4Fie+9+pOpO9bizjS7oua+kKZ7vEpc1CzljIIg/bppZQt1bx JMyQ== X-Gm-Message-State: APjAAAX99/8S/0rCznIuLzUmklh3yjlH+5o3G9c6ZlX5cK5Iaj5q8Rtj kq4t5E3bGdma5xCBSvVID/M= X-Google-Smtp-Source: APXvYqyhniW0jG8SeU16sLDlT8V11Ngp3qjDdLAvp2SYBIu1uSNmdXDBP623duvkPM2tJ6jFh/QtkA== X-Received: by 2002:a17:90a:2385:: with SMTP id g5mr23132372pje.12.1561352989891; Sun, 23 Jun 2019 22:09:49 -0700 (PDT) Received: from localhost ([43.224.245.181]) by smtp.gmail.com with ESMTPSA id e63sm17545179pgc.62.2019.06.23.22.09.49 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 23 Jun 2019 22:09:49 -0700 (PDT) From: Weitao Hou To: akpm@linux-foundation.org, urezki@gmail.com, rpenyaev@suse.de, guro@fb.com, rick.p.edgecombe@intel.com, rppt@linux.ibm.com, aryabinin@virtuozzo.com Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, Weitao Hou Subject: [PATCH] mm/vmalloc: fix a compile warning in mm Date: Mon, 24 Jun 2019 13:09:37 +0800 Message-Id: <20190624050937.6977-1-houweitaoo@gmail.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org mm/vmalloc.c: In function ‘pcpu_get_vm_areas’: mm/vmalloc.c:976:4: warning: ‘lva’ may be used uninitialized in this function [-Wmaybe-uninitialized] insert_vmap_area_augment(lva, &va->rb_node, Signed-off-by: Weitao Hou --- mm/vmalloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 4c9e150e5ad3..78c5617fdf3f 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -913,7 +913,7 @@ adjust_va_to_fit_type(struct vmap_area *va, unsigned long nva_start_addr, unsigned long size, enum fit_type type) { - struct vmap_area *lva; + struct vmap_area *lva = NULL; if (type == FL_FIT_TYPE) { /* -- 2.18.0