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=-19.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 0749FC433F5 for ; Thu, 16 Sep 2021 17:47:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D74E460F6D for ; Thu, 16 Sep 2021 17:47:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345620AbhIPRsa (ORCPT ); Thu, 16 Sep 2021 13:48:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:53760 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354973AbhIPRkx (ORCPT ); Thu, 16 Sep 2021 13:40:53 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id B46F862F90; Thu, 16 Sep 2021 16:51:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1631811119; bh=p+dPIwG9V9V2zwpdYIFOMjTOYuq6U/cMiuAugfdolhE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TsuWKNdfsRnCMhQV6qtYQNcSwTeBWHDj1yz/K/kHCod20lP2iLYQWUp7sf5xwdp56 XWyc3v8VQlnbVCimcHQ2pSJgrHdC2RdVgoPVPKRjqU5GizkWuj4NVisz4N0AwNCETY 4MNb+aW1RwyxojMqFo0kF3e0zeE5Yq9mlsj5yTDg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guojia Liao , Guangbin Huang , "David S. Miller" , Sasha Levin Subject: [PATCH 5.14 390/432] net: hns3: clean up a type mismatch warning Date: Thu, 16 Sep 2021 18:02:19 +0200 Message-Id: <20210916155824.034471272@linuxfoundation.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20210916155810.813340753@linuxfoundation.org> References: <20210916155810.813340753@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: Guojia Liao [ Upstream commit e79c0e324b011b0288cd411a5b53870a7730f163 ] abs() returns signed long, which could not convert the type as unsigned, and it may cause a mismatch type warning from static tools. To fix it, this patch uses an variable to save the abs()'s result and does a explicit conversion. Signed-off-by: Guojia Liao Signed-off-by: Guangbin Huang Signed-off-by: David S. Miller Signed-off-by: Sasha Levin --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c index c0a478ae9583..0dbed35645ed 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hclge_mbx.c @@ -10,7 +10,14 @@ static u16 hclge_errno_to_resp(int errno) { - return abs(errno); + int resp = abs(errno); + + /* The status for pf to vf msg cmd is u16, constrainted by HW. + * We need to keep the same type with it. + * The intput errno is the stander error code, it's safely to + * use a u16 to store the abs(errno). + */ + return (u16)resp; } /* hclge_gen_resp_to_vf: used to generate a synchronous response to VF when PF -- 2.30.2