From patchwork Wed Oct 27 15:10:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Mammedov X-Patchwork-Id: 12587555 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2390FC433F5 for ; Wed, 27 Oct 2021 15:56:35 +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 DD0E260E8B for ; Wed, 27 Oct 2021 15:56:34 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DD0E260E8B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:50794 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mflI1-0003dz-RW for qemu-devel@archiver.kernel.org; Wed, 27 Oct 2021 11:56:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57984) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mfkZT-0004yx-My for qemu-devel@nongnu.org; Wed, 27 Oct 2021 11:10:33 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]:35795) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mfkZM-00079r-TD for qemu-devel@nongnu.org; Wed, 27 Oct 2021 11:10:28 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1635347419; 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; bh=FDr4OHv2Br2fc2yXfFAePU8wgqdBkAwGkgju1Ckp6rY=; b=Gzwz5D/+793uAyOoVwv2qMgTiQZe7PHhl/sBUhQBbYL3oXYY1CPO1boVorBeuU8DEImcAc p2ppJ2KV4F7ZbU8n9BY0NQwzyT2pQKBjOAfzDOvGdlh/g68rtSXZzmk0+gMY3QaNUofTJ5 TFbm0tK9Ht4KExXVCefgitURBw+hPb8= 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-189-OZ9FnZVcOZSkHiz78L9Xyg-1; Wed, 27 Oct 2021 11:10:16 -0400 X-MC-Unique: OZ9FnZVcOZSkHiz78L9Xyg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id B3DE91B2C983; Wed, 27 Oct 2021 15:10:15 +0000 (UTC) Received: from dell-r430-03.lab.eng.brq.redhat.com (dell-r430-03.lab.eng.brq.redhat.com [10.37.153.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8F98D5DF35; Wed, 27 Oct 2021 15:10:14 +0000 (UTC) From: Igor Mammedov To: qemu-devel@nongnu.org Subject: [PATCH v2] qtest: fix 'expression is always false' build failure in qtest_has_accel() Date: Wed, 27 Oct 2021 11:10:12 -0400 Message-Id: <20211027151012.2639284-1-imammedo@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=imammedo@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=170.10.129.124; envelope-from=imammedo@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no 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: lvivier@redhat.com, thuth@redhat.com, Jason Andryuk , mst@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" If KVM is disabled or not present, qtest library build may fail with: libqtest.c: In function 'qtest_has_accel': comparison of unsigned expression < 0 is always false [-Werror=type-limits] for (i = 0; i < ARRAY_SIZE(targets); i++) { due to empty 'targets' array. Fix it by making sure that CONFIG_KVM_TARGETS isn't empty. Fixes: e741aff0f43343 ("tests: qtest: add qtest_has_accel() to check if tested binary supports accelerator") Reported-by: Jason Andryuk Suggested-by: "Michael S. Tsirkin" Signed-off-by: Igor Mammedov Tested-by: Jason Andryuk --- meson.build | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/meson.build b/meson.build index 2c5b53cbe2..ff85e9c2af 100644 --- a/meson.build +++ b/meson.build @@ -75,7 +75,7 @@ else kvm_targets = [] endif -kvm_targets_c = '' +kvm_targets_c = '""' if not get_option('kvm').disabled() and targetos == 'linux' kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"' endif