From patchwork Fri Jul 28 11:53:18 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Otubo X-Patchwork-Id: 9868545 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 64C8460382 for ; Fri, 28 Jul 2017 11:54:58 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 424C72889F for ; Fri, 28 Jul 2017 11:54:58 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 340A02889D; Fri, 28 Jul 2017 11:54:58 +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 D868D2889D for ; Fri, 28 Jul 2017 11:54:57 +0000 (UTC) Received: from localhost ([::1]:47580 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1db3r7-00006g-8y for patchwork-qemu-devel@patchwork.kernel.org; Fri, 28 Jul 2017 07:54:57 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40479) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1db3pa-0007Eh-QO for qemu-devel@nongnu.org; Fri, 28 Jul 2017 07:53:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1db3pZ-0005yO-UQ for qemu-devel@nongnu.org; Fri, 28 Jul 2017 07:53:22 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36558) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1db3pZ-0005xu-ON; Fri, 28 Jul 2017 07:53:21 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AB5DB1487F9; Fri, 28 Jul 2017 11:53:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com AB5DB1487F9 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=otubo@redhat.com Received: from vader.redhat.com (ovpn-116-161.ams2.redhat.com [10.36.116.161]) by smtp.corp.redhat.com (Postfix) with ESMTP id 36ECD707AB; Fri, 28 Jul 2017 11:53:19 +0000 (UTC) From: Eduardo Otubo To: qemu-trivial@nongnu.org Date: Fri, 28 Jul 2017 13:53:18 +0200 Message-Id: <20170728115318.31781-1-otubo@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Fri, 28 Jul 2017 11:53:20 +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] fix qemu-system-unicore32 crashing when calling without -kernel 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: thuth@redhat.com, gxt@mprc.pku.edu.cn, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Starting qemu-system-unicore32 without the -kernel parameter results in an assert() returns false and aborts qemu. This patch replaces it with a proper error message followed by exit(1). Signed-off-by: Eduardo Otubo --- hw/unicore32/puv3.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/hw/unicore32/puv3.c b/hw/unicore32/puv3.c index e9d1a60b6f..ff62efb4df 100644 --- a/hw/unicore32/puv3.c +++ b/hw/unicore32/puv3.c @@ -92,7 +92,10 @@ static void puv3_load_kernel(const char *kernel_filename) if (kernel_filename == NULL && qtest_enabled()) { return; } - assert(kernel_filename != NULL); + if (kernel_filename == NULL) { + error_report("kernel parameter cannot be empty"); + exit(1); + } /* only zImage format supported */ size = load_image_targphys(kernel_filename, KERNEL_LOAD_ADDR,