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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 AEFDDC5DF60 for ; Fri, 8 Nov 2019 19:04:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 715D7215EA for ; Fri, 8 Nov 2019 19:04:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239866; bh=Ym3tbnkMskjzJwY1CtiRI7JO2MU1eYatws5riwUGJcY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=u0kirvhvFEglu1YvJMa2vvx4KiDJTu7UREuQffNuY1J//eGD1ceb9qRSDjwxHAQgC yh+w4ULAv9V/GVvWONaS9ZNYf+M7+ncXUFMZraRrFPHzIhBMquoUr3v4P84cBEOS/q f6YbFbctMIIgTlanIHKwXdKVhumiGVGwjHTAuchg= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391009AbfKHTEZ (ORCPT ); Fri, 8 Nov 2019 14:04:25 -0500 Received: from mail.kernel.org ([198.145.29.99]:34308 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732007AbfKHTEX (ORCPT ); Fri, 8 Nov 2019 14:04:23 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 778BB215EA; Fri, 8 Nov 2019 19:04:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1573239863; bh=Ym3tbnkMskjzJwY1CtiRI7JO2MU1eYatws5riwUGJcY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZmrfV+QrygAL6WcI0k7c6s/svcUe+nN2nNwDsXVz4FXbOjEmrqd57+w6K0vqurjT4 eEADE/EY8r8LCCw2/Q8RUCdo6aLzczBMoG3AzfawkZ9W3A2tIFPWkuF14QFiY1KIlr GbeSlxuvl3PowaZp2WL/FH/2An/L+SLcHdmS6X5Y= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, "Desnes A. Nunes do Rosario" , Michael Ellerman , Sandipan Das Subject: [PATCH 4.19 76/79] selftests/powerpc: Fix compile error on tlbie_test due to newer gcc Date: Fri, 8 Nov 2019 19:50:56 +0100 Message-Id: <20191108174828.530612166@linuxfoundation.org> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191108174745.495640141@linuxfoundation.org> References: <20191108174745.495640141@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Desnes A. Nunes do Rosario commit 5b216ea1c40cf06eead15054c70e238c9bd4729e upstream. Newer versions of GCC (>= 9) demand that the size of the string to be copied must be explicitly smaller than the size of the destination. Thus, the NULL char has to be taken into account on strncpy. This will avoid the following compiling error: tlbie_test.c: In function 'main': tlbie_test.c:639:4: error: 'strncpy' specified bound 100 equals destination size strncpy(logdir, optarg, LOGDIR_NAME_SIZE); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Signed-off-by: Desnes A. Nunes do Rosario Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/20191003211010.9711-1-desnesn@linux.ibm.com [sandipan: Backported to v4.19] Signed-off-by: Sandipan Das Signed-off-by: Greg Kroah-Hartman --- tools/testing/selftests/powerpc/mm/tlbie_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/tools/testing/selftests/powerpc/mm/tlbie_test.c +++ b/tools/testing/selftests/powerpc/mm/tlbie_test.c @@ -636,7 +636,7 @@ int main(int argc, char *argv[]) nrthreads = strtoul(optarg, NULL, 10); break; case 'l': - strncpy(logdir, optarg, LOGDIR_NAME_SIZE); + strncpy(logdir, optarg, LOGDIR_NAME_SIZE - 1); break; case 't': run_time = strtoul(optarg, NULL, 10);