From patchwork Sun Jan 8 19:40:37 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 9503587 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id D0BE36071A for ; Sun, 8 Jan 2017 19:41:43 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BB90728156 for ; Sun, 8 Jan 2017 19:41:43 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B07B9281D2; Sun, 8 Jan 2017 19:41:43 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3D97D28156 for ; Sun, 8 Jan 2017 19:41:41 +0000 (UTC) Received: from localhost ([::1]:34620 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQJLX-0005OA-Me for patchwork-qemu-devel@patchwork.kernel.org; Sun, 08 Jan 2017 14:41:39 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:54319) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cQJKu-0005NL-5v for qemu-devel@nongnu.org; Sun, 08 Jan 2017 14:41:01 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cQJKr-0008O7-0A for qemu-devel@nongnu.org; Sun, 08 Jan 2017 14:41:00 -0500 Received: from mx1.redhat.com ([209.132.183.28]:41852) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cQJKq-0008Nn-RU for qemu-devel@nongnu.org; Sun, 08 Jan 2017 14:40:56 -0500 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id F039961B92 for ; Sun, 8 Jan 2017 19:40:56 +0000 (UTC) Received: from localhost (ovpn-116-32.gru2.redhat.com [10.97.116.32]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id v08JetWq016334; Sun, 8 Jan 2017 14:40:56 -0500 From: Eduardo Habkost To: qemu-devel@nongnu.org Date: Sun, 8 Jan 2017 17:40:37 -0200 Message-Id: <20170108194041.10908-2-ehabkost@redhat.com> In-Reply-To: <20170108194041.10908-1-ehabkost@redhat.com> References: <20170108194041.10908-1-ehabkost@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.39]); Sun, 08 Jan 2017 19:40:57 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 1/5] i386: Add explicit array size to x86_cpu_vendor_words2str() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: libvir-list@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Add explicit array size to x86_cpu_vendor_words2str() to let the compiler check if we are really passing an array of the right size. GCC still doesn't print a warning when the array is too small[1], but clang already does. [1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=50584 Signed-off-by: Eduardo Habkost --- target/i386/cpu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index a149c8dc42..25b802bb06 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -169,7 +169,7 @@ -static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1, +static void x86_cpu_vendor_words2str(char dst[static (CPUID_VENDOR_SZ + 1)], uint32_t vendor1, uint32_t vendor2, uint32_t vendor3) { int i;