From patchwork Tue May 25 12:26:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Geis X-Patchwork-Id: 447824 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=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 6079DC4707F for ; Tue, 25 May 2021 12:28:37 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B5A66141C for ; Tue, 25 May 2021 12:28:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232692AbhEYMaF (ORCPT ); Tue, 25 May 2021 08:30:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47902 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232664AbhEYM36 (ORCPT ); Tue, 25 May 2021 08:29:58 -0400 Received: from mail-qt1-x82a.google.com (mail-qt1-x82a.google.com [IPv6:2607:f8b0:4864:20::82a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D9DABC061756; Tue, 25 May 2021 05:28:27 -0700 (PDT) Received: by mail-qt1-x82a.google.com with SMTP id i19so16413181qtw.9; Tue, 25 May 2021 05:28:27 -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:in-reply-to:references :mime-version:content-transfer-encoding; bh=ZEBquhrvxEEZ+Rfflk8qX6KV/2dhTwjR4HwVe1AUMuA=; b=oEIBrt5eAQXFZH6xnY4AVKGequcDkyRtnOsajdKchUgZN0KzbPRJIwYR58NFLmIJgO CS449KwjpSBmP6OrgURbmtZW+dtu4axnCgrbmXwLg1r3AUqGfAFZqDhN7fAjMNBxxuQ4 sC3rXoYB90iF5AXvesSiv0PyPG5Lv/kWfQQ8TT6P75avTMdIHzSudUgwCU+06wpWH9pI 2miWb9sUgE9CPs4D67IC97y4gFFHWLvy9i9kc+xIGfWVYG3N9PkOJH1ARKZTMQBPa+vP eqPhCU2mdG9wY/u3F7lTAaPEVgTqNXb0kXC+TPmdr4F+eHL97pUXc49/3Ecd2sDChzFd kRmQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=ZEBquhrvxEEZ+Rfflk8qX6KV/2dhTwjR4HwVe1AUMuA=; b=QF6Puz+OS1QiMcxWL9vVAbxujVyCizoRKrud8i5AYOpYqQTigaalGAGtxGFgTTSx9S TCr+M7eq0ctFXMGY0Vdhf8lR20xVzpCbbdfUPu9fc+VzthvzMHu4CuXUPeIePqa0vVjN RE6MJ/Bi4YvYt7Y9GtHQyaUXhu5Fi8QgZvxqVb8m/jvemji1Dxo8sV6feWwyNBSehq9M s7nDub+2nm7MnBf56wuGjthA0jPPXjYRsqp1/+EK/61Z+Lviszv/DSerBZjEh0cU3Yut iKVKmA6AmXduOUt07R4phff3odwLMukG1wd7bxR7q6np1R190KHqKPsD/cuJ0Y1r106e yYFA== X-Gm-Message-State: AOAM530fhFQMIFTpQOV/3cjslcjbCsJAh37SUTwEtyM414AAuLrUPxto eTDCP/Mye8ks0cl/keB1e54= X-Google-Smtp-Source: ABdhPJyI4PoUWQdUVZbCc5YNfZZVUQaV7HBQM5d3rzdWBptYyoWYXe7BFKMkD9ypnwB23jRWIhQumw== X-Received: by 2002:a05:622a:1114:: with SMTP id e20mr30942517qty.324.1621945707054; Tue, 25 May 2021 05:28:27 -0700 (PDT) Received: from master-laptop.sparksnet ([2601:153:980:85b1:a465:c799:7794:b233]) by smtp.gmail.com with ESMTPSA id t6sm13292572qkh.117.2021.05.25.05.28.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 25 May 2021 05:28:26 -0700 (PDT) From: Peter Geis To: Andrew Lunn , Heiner Kallweit , Russell King , "David S . Miller" , Jakub Kicinski , Nathan Chancellor Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, clang-built-linux@googlegroups.com, Peter Geis , kernel test robot Subject: [PATCH 1/2] net: phy: fix yt8511 clang uninitialized variable warning Date: Tue, 25 May 2021 08:26:14 -0400 Message-Id: <20210525122615.3972574-2-pgwipeout@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210525122615.3972574-1-pgwipeout@gmail.com> References: <20210525122615.3972574-1-pgwipeout@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org clang doesn't preinitialize variables. If phy_select_page failed and returned an error, phy_restore_page would be called with `ret` being uninitialized. Even though phy_restore_page won't use `ret` in this scenario, initialize `ret` to silence the warning. Fixes: b1b41c047f73 ("net: phy: add driver for Motorcomm yt8511 phy") Reported-by: kernel test robot Signed-off-by: Peter Geis Reviewed-by: Andrew Lunn --- drivers/net/phy/motorcomm.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/phy/motorcomm.c b/drivers/net/phy/motorcomm.c index 796b68f4b499..5795f446c528 100644 --- a/drivers/net/phy/motorcomm.c +++ b/drivers/net/phy/motorcomm.c @@ -51,7 +51,7 @@ static int yt8511_write_page(struct phy_device *phydev, int page) static int yt8511_config_init(struct phy_device *phydev) { unsigned int ge, fe; - int ret, oldpage; + int oldpage, ret = 0; /* set clock mode to 125mhz */ oldpage = phy_select_page(phydev, YT8511_EXT_CLK_GATE);