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 3FC11C54FCB for ; Fri, 24 Apr 2020 12:24:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 13C9B20706 for ; Fri, 24 Apr 2020 12:24:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587731059; bh=H+m8JHwTcIqmTTR3hMYk8BcjkNKBf0+1UNgfvJLUT4I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=CUwtg9s1rZmo25VFIEmrBzBEhYaNtsJlIwQIaiOg92jqzNwhXOkc+eJ56g6a1Vbjh w/QVcQJCPzbG8pefSQQ2rmTSGv2ZAC1CSIBVmJjhlAL61/U8Gr4hz9hiER1EHK7LWG 9OGY7ybI0obdn00kO7rd8XWS6dvMT2nz/b1FTHZg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728357AbgDXMYS (ORCPT ); Fri, 24 Apr 2020 08:24:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:54608 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728300AbgDXMYM (ORCPT ); Fri, 24 Apr 2020 08:24:12 -0400 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 1335421569; Fri, 24 Apr 2020 12:24:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587731051; bh=H+m8JHwTcIqmTTR3hMYk8BcjkNKBf0+1UNgfvJLUT4I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=E6W9LrVCm3+PDw1TTroQT5bFBmQbvDBX4A+f/gmve/EMRqFhsO7mG6J8FLj5F3+f0 v6k1F+9ATvdhgb9BOJ/D0vTM2+31EIwyQcwbzS4gv0YKXUksdiLkisAzO093xAgZN7 egaPyEq5jAufPWaV1j8O6GJXhIXc6dCzxw6UUgBg= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jason Gunthorpe , "David S . Miller" , Sasha Levin , netdev@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 13/18] net/cxgb4: Check the return from t4_query_params properly Date: Fri, 24 Apr 2020 08:23:50 -0400 Message-Id: <20200424122355.10453-13-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200424122355.10453-1-sashal@kernel.org> References: <20200424122355.10453-1-sashal@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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: Jason Gunthorpe [ Upstream commit c799fca8baf18d1bbbbad6c3b736eefbde8bdb90 ] Positive return values are also failures that don't set val, although this probably can't happen. Fixes gcc 10 warning: drivers/net/ethernet/chelsio/cxgb4/t4_hw.c: In function ‘t4_phy_fw_ver’: drivers/net/ethernet/chelsio/cxgb4/t4_hw.c:3747:14: warning: ‘val’ may be used uninitialized in this function [-Wmaybe-uninitialized] 3747 | *phy_fw_ver = val; Fixes: 01b6961410b7 ("cxgb4: Add PHY firmware support for T420-BT cards") Signed-off-by: Jason Gunthorpe Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c index 8350c0c9b89d1..5934ec9b6a31f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c @@ -3748,7 +3748,7 @@ int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver) FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_VERSION)); ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, ¶m, &val); - if (ret < 0) + if (ret) return ret; *phy_fw_ver = val; return 0; -- 2.20.1