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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 903DFC33CAF for ; Thu, 16 Jan 2020 17:12:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3A55B24697 for ; Thu, 16 Jan 2020 17:12:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579194747; bh=JbhHvwluzNTzu0cHNddlm1QyR+Us984VFcXgucFJLGI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=QjOxE/88vZDw8Gnhzevitm6TWwgDlOFFkxNQjKUj4VJ/rFmlBfOr4urXeE/dWj38q Xqmkg4OvEglToTYTFGqHNWXhYym8c93Hx5eJWx9UCWhbsgt4UpZgtEcALwDBJxeEnt ZyE5EErd/donkkpZf3G7l0+7cAe9TKrAjpSMEhN4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390472AbgAPRM0 (ORCPT ); Thu, 16 Jan 2020 12:12:26 -0500 Received: from mail.kernel.org ([198.145.29.99]:54742 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390385AbgAPRMS (ORCPT ); Thu, 16 Jan 2020 12:12:18 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6AB5624693; Thu, 16 Jan 2020 17:12:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1579194738; bh=JbhHvwluzNTzu0cHNddlm1QyR+Us984VFcXgucFJLGI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tBiGRjiJ7Ql15kN3URloY/+GokUaUJ1DVXquTZlCw5yq8mLQtkJONALntKieRSGWR 66rg9BM296Ea/3yYKE/qjFNOgynvsMIoMbeYUuDe1oBzEnUjObZIlEMKei109wqbXo sWH3QFw/BIahaBbEJnz7T0f5SavMRDNPbgqN/kNI= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Dan Carpenter , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 569/671] of: mdio: Fix a signedness bug in of_phy_get_and_connect() Date: Thu, 16 Jan 2020 12:03:27 -0500 Message-Id: <20200116170509.12787-306-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200116170509.12787-1-sashal@kernel.org> References: <20200116170509.12787-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dan Carpenter [ Upstream commit d7eb651212fdbafa82d485d8e76095ac3b14c193 ] The "iface" variable is an enum and in this context GCC treats it as an unsigned int so the error handling is never triggered. Fixes: b78624125304 ("of_mdio: Abstract a general interface for phy connect") Signed-off-by: Dan Carpenter Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/of/of_mdio.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 5ad1342f5682..7d2bc22680d9 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -370,7 +370,7 @@ struct phy_device *of_phy_get_and_connect(struct net_device *dev, int ret; iface = of_get_phy_mode(np); - if (iface < 0) + if ((int)iface < 0) return NULL; if (of_phy_is_fixed_link(np)) { ret = of_phy_register_fixed_link(np); -- 2.20.1