From patchwork Thu Jun 11 19:43:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 11600693 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4D43B13B1 for ; Thu, 11 Jun 2020 20:10:51 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 21CDA206C3 for ; Thu, 11 Jun 2020 20:10:51 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="ZoFnvLxP" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 21CDA206C3 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:42208 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jjTXG-0004eN-8s for patchwork-qemu-devel@patchwork.kernel.org; Thu, 11 Jun 2020 16:10:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54842) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jjT8u-0007tB-7B for qemu-devel@nongnu.org; Thu, 11 Jun 2020 15:45:40 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:45904 helo=us-smtp-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jjT8q-00011a-Ua for qemu-devel@nongnu.org; Thu, 11 Jun 2020 15:45:39 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1591904735; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=PMkk8hqdAgfZ2X3p5aW45AQlLiVDJAHPMgDqr+FqlA4=; b=ZoFnvLxPlXLeuov8xzL1ir8D/QsM+R8gZK1RluZudp/rbThRWv0elhkzMs+HobHOCL+xto K1nC/Ez39iki4fVjS3X5/1u+dgzkQK91Sm32CxuvM9KdqeQf06BQ+WMcMA9CqhjQkUQ+v3 Upb+oL5dzfNWyi1xwBi4GaTNbKnQ53w= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-45-LZ5NVVH0PS-IsE_K_ClniQ-1; Thu, 11 Jun 2020 15:45:29 -0400 X-MC-Unique: LZ5NVVH0PS-IsE_K_ClniQ-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id EAEA1872FE1 for ; Thu, 11 Jun 2020 19:45:28 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 955485C1B2; Thu, 11 Jun 2020 19:45:28 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PULL 045/115] cpus: Fix botched configure_icount() error API violation fix Date: Thu, 11 Jun 2020 15:43:39 -0400 Message-Id: <20200611194449.31468-46-pbonzini@redhat.com> In-Reply-To: <20200611194449.31468-1-pbonzini@redhat.com> References: <20200611194449.31468-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=pbonzini@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/11 08:37:10 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -30 X-Spam_score: -3.1 X-Spam_bar: --- X-Spam_report: (-3.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H3=-0.01, RCVD_IN_MSPIKE_WL=-0.01, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: =?utf-8?q?Philippe_Mathieu-Daud=C3=A9?= , Markus Armbruster Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Markus Armbruster Before recent commit abc9bf69a66, configure_icount() returned early when option "shift" was absent: succeed when option "align" was also absent, else fail. Since then, it still errors out when only "align" is present, but continues when both are absent. Crashes when examining the value of "shift" further. Reproducer: -icount "". Revert this erroneous part of the commit. Fixes: abc9bf69a66a11499a801ff545b8fe7adbb3a04c Fixes: Coverity CID 1428754 Signed-off-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daudé Message-Id: <20200515042231.18201-1-armbru@redhat.com> Signed-off-by: Paolo Bonzini --- cpus.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/cpus.c b/cpus.c index 7ce0d569b3..34fc203808 100644 --- a/cpus.c +++ b/cpus.c @@ -821,8 +821,10 @@ void configure_icount(QemuOpts *opts, Error **errp) bool align = qemu_opt_get_bool(opts, "align", false); long time_shift = -1; - if (!option && qemu_opt_get(opts, "align")) { - error_setg(errp, "Please specify shift option when using align"); + if (!option) { + if (qemu_opt_get(opts, "align") != NULL) { + error_setg(errp, "Please specify shift option when using align"); + } return; }