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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 E07ADC43460 for ; Fri, 23 Apr 2021 12:42:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AED7661459 for ; Fri, 23 Apr 2021 12:42:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242502AbhDWMmw (ORCPT ); Fri, 23 Apr 2021 08:42:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46652 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229479AbhDWMmu (ORCPT ); Fri, 23 Apr 2021 08:42:50 -0400 Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C4C47C06174A; Fri, 23 Apr 2021 05:42:12 -0700 (PDT) Received: by mail-ej1-x636.google.com with SMTP id w3so73743580ejc.4; Fri, 23 Apr 2021 05:42:12 -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; bh=Cigm8FoAQJCFR8BBSxQb1qtaSNBp4pLV8SFaN1EkbqQ=; b=C99A1yH9iuOPA7YDilWOAH5Eqbrw3NHSmFOxiJSMYi5w4kJo5XTFSmijgXxPMvaT/g aQiNDwBil9E3asW3C2gTw/dl4sK1Wku/ufrK6xY3Io9hzQVvk8yRrFIqTPhkgh8biJJ+ esfve6ZPYHvyIJolS41HMXF6LVRQsv4WH/CzjBnQG0XKY31lJBfHg/OSxGz7m6/dHdcc 6RxZ2SIWTu493LFovRgcqfEY2WmTSNpmcFpmkk7qAvpNPwCqvaF96WM86t4SUpS+1WkM OdD8Sv2Cges8w47SyAm+1NOpHnd6YAjr+IH/eJ/sFnvrrX4G9a8y59NAJPr51Z/rYj85 uSLQ== 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; bh=Cigm8FoAQJCFR8BBSxQb1qtaSNBp4pLV8SFaN1EkbqQ=; b=DLd4RdKLd/2B7GdwXOP9AWRCXqKDUiCC9LcwfiwV5Q5eX54QAjce3j6v+4Cupn7yli b3Sab5DO47e/LxF3GaRCsuc2cvSsiL1DkEuvcBeEi9vwbgrtJ23HCvdTPI5SDoQpMKd0 7GdM5INhpk0AbQbjlj+t6DnJ0urbDCOGl0zvawag3F8/XYGDR/HZ4hknRNbghCyth469 cghXO29chdO5rzM3wLqPMhJeuHZ14mvYIBeKDmB17fAnNg+jDCrJd4yP+L3NhZPQnKyR cqThKTr2Mn8Nx+wy3s2GwwI/dFz4AsaQexSfSUa/bMDBJPkmKVRQLZrpF0LCmrQQJGmZ W+8Q== X-Gm-Message-State: AOAM533kxznp6kFOe3ykx+J+T1qIVpnTkiR0Cer/rAkoagUpcy9XTdqL lj3UuatWp/I1LX5w0GGRyQkIH2Bj+pE1bCWE X-Google-Smtp-Source: ABdhPJxEVyBDl9SrHFwOI9XmiRaLeOLGTbuurEQaw23ba78UH7qsNOzcWob/nfgJzAn2GOknA3DBng== X-Received: by 2002:a17:906:f2c8:: with SMTP id gz8mr4110139ejb.242.1619181731477; Fri, 23 Apr 2021 05:42:11 -0700 (PDT) Received: from localhost.localdomain ([102.156.210.94]) by smtp.gmail.com with ESMTPSA id lb18sm3894116ejc.6.2021.04.23.05.42.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Apr 2021 05:42:11 -0700 (PDT) From: Khaled ROMDHANI To: clm@fb.com, josef@toxicpanda.com, dsterba@suse.com Cc: Khaled ROMDHANI , linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org Subject: [PATCH-next] fs/btrfs: Fix uninitialized variable Date: Fri, 23 Apr 2021 13:42:01 +0100 Message-Id: <20210423124201.11262-1-khaledromdhani216@gmail.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The variable 'zone' is uninitialized which introduce some build warning. It is not always set or overwritten within the function. So explicitly initialize it. Reported-by: kernel test robot Signed-off-by: Khaled ROMDHANI --- fs/btrfs/zoned.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 432509f4b3ac..42f99b25127f 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -136,7 +136,7 @@ static int sb_write_pointer(struct block_device *bdev, struct blk_zone *zones, */ static inline u32 sb_zone_number(int shift, int mirror) { - u64 zone; + u64 zone = 0; ASSERT(mirror < BTRFS_SUPER_MIRROR_MAX); switch (mirror) { base-commit: c05b2a58c9ed11bd753f1e64695bd89da715fbaa -- 2.17.1