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=-2.5 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 918B8C4321D for ; Fri, 24 Aug 2018 08:08:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3F59B2157F for ; Fri, 24 Aug 2018 08:08:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3F59B2157F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727743AbeHXLly (ORCPT ); Fri, 24 Aug 2018 07:41:54 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:50126 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727059AbeHXLlx (ORCPT ); Fri, 24 Aug 2018 07:41:53 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 2BA2787A74; Fri, 24 Aug 2018 08:08:23 +0000 (UTC) Received: from localhost (unknown [10.40.205.114]) by smtp.corp.redhat.com (Postfix) with ESMTP id D217C104082C; Fri, 24 Aug 2018 08:08:20 +0000 (UTC) Date: Fri, 24 Aug 2018 10:08:18 +0200 From: Stanislaw Gruszka To: Geert Uytterhoeven Cc: Kalle Valo , "David S . Miller" , Matthias Brugger , Lorenzo Bianconi , Arnd Bergmann , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mt76: Fix comparisons with invalid hardware key index Message-ID: <20180824080817.GA6651@redhat.com> References: <20180823212738.18431-1-geert@linux-m68k.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20180823212738.18431-1-geert@linux-m68k.org> User-Agent: Mutt/1.8.3 (2017-05-23) X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Fri, 24 Aug 2018 08:08:23 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.1]); Fri, 24 Aug 2018 08:08:23 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'sgruszka@redhat.com' RCPT:'' Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 23, 2018 at 11:27:38PM +0200, Geert Uytterhoeven wrote: > With gcc 4.1.2: > > drivers/net/wireless/mediatek/mt76/mt76x0/tx.c: In function ‘mt76x0_tx’: > drivers/net/wireless/mediatek/mt76/mt76x0/tx.c:169: warning: comparison is always true due to limited range of data type > drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c: In function ‘mt76x2_tx’: > drivers/net/wireless/mediatek/mt76/mt76x2_tx_common.c:35: warning: comparison is always true due to limited range of data type > > While assigning -1 to a u8 works fine, comparing with -1 does not work > as expected. > > Fix this by comparing with 0xff, like is already done in some other > places. > > Signed-off-by: Geert Uytterhoeven Ack for mt76x0. I think Lorenzo already posted patch for mt76x2. Thanks Stanislaw