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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4FB97C4332F for ; Mon, 24 Jan 2022 23:18:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1846363AbiAXXPq (ORCPT ); Mon, 24 Jan 2022 18:15:46 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37648 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1584674AbiAXWVc (ORCPT ); Mon, 24 Jan 2022 17:21:32 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 291F7C0424FE; Mon, 24 Jan 2022 12:52:45 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id DA2FAB80CCF; Mon, 24 Jan 2022 20:52:43 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 10B22C340E5; Mon, 24 Jan 2022 20:52:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1643057562; bh=Fr/LKWtC4UyTPQgHsHi1fEAW/E12tFtoUubYw4q27BA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lc2P/Aft5jTaMPIJCLSXGnbJme7Sj+M6/hOn3P5ZNzdnUlA4W4o0R5Hm4/uXlKqCS EQtexxmkCeBw4ijJ8ZVoMsYvyj4AZRn5OvcYe5XthZ2tqXYv+bd6tZTnm+tNszJWqB 4SXd9OgzOpzc9SLf0fmprNO/jT0cGQcKjlSXS00c= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Tom Rix , "David S. Miller" Subject: [PATCH 5.15 832/846] net: ethernet: mtk_eth_soc: fix error checking in mtk_mac_config() Date: Mon, 24 Jan 2022 19:45:49 +0100 Message-Id: <20220124184129.612885100@linuxfoundation.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220124184100.867127425@linuxfoundation.org> References: <20220124184100.867127425@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Tom Rix commit 214b3369ab9b0a6f28d6c970220c209417edbc65 upstream. Clang static analysis reports this problem mtk_eth_soc.c:394:7: warning: Branch condition evaluates to a garbage value if (err) ^~~ err is not initialized and only conditionally set. So intitialize err. Fixes: 7e538372694b ("net: ethernet: mediatek: Re-add support SGMII") Signed-off-by: Tom Rix Signed-off-by: David S. Miller Signed-off-by: Greg Kroah-Hartman --- drivers/net/ethernet/mediatek/mtk_eth_soc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -224,7 +224,7 @@ static void mtk_mac_config(struct phylin phylink_config); struct mtk_eth *eth = mac->hw; u32 mcr_cur, mcr_new, sid, i; - int val, ge_mode, err; + int val, ge_mode, err = 0; /* MT76x8 has no hardware settings between for the MAC */ if (!MTK_HAS_CAPS(eth->soc->caps, MTK_SOC_MT7628) &&