From patchwork Wed May 15 11:25:12 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 13665140 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 69E18C25B79 for ; Wed, 15 May 2024 11:26:35 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s7ClL-0006Kj-GO; Wed, 15 May 2024 07:25:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s7ClA-0006JU-Nb for qemu-devel@nongnu.org; Wed, 15 May 2024 07:25:24 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s7Cl5-0005Np-Qb for qemu-devel@nongnu.org; Wed, 15 May 2024 07:25:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1715772318; 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=5I8jw8ZwQFcVE3TCt7mfhOF34xGJqPPGqmUyT0I+3DA=; b=Ma9fDKofPjc0HVJECQv21NrZOwaAqdp6bpd4En/AsYZrSCWhPpkjE7S5RuDHfYQ8mHgapj Cobzz6N8TMUIF1VeS9FC+3MEyhlqeMwFbL9usFeoZaRyleYBEuydTs/SzgjiBtYY9XRZ/u VBCwPWV0ivH/t3iotm4Fms6cDSLVUcs= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-610-9gwbVcbZPm2Y96eETvfFzg-1; Wed, 15 May 2024 07:25:17 -0400 X-MC-Unique: 9gwbVcbZPm2Y96eETvfFzg-1 Received: from smtp.corp.redhat.com (int-mx09.intmail.prod.int.rdu2.redhat.com [10.11.54.9]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id C8DF580118E for ; Wed, 15 May 2024 11:25:16 +0000 (UTC) Received: from localhost (unknown [10.39.208.9]) by smtp.corp.redhat.com (Postfix) with ESMTP id B0318400057; Wed, 15 May 2024 11:25:15 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini Subject: [PATCH] vl: fix "type is NULL" in -vga help Date: Wed, 15 May 2024 15:25:12 +0400 Message-ID: <20240515112512.1100498-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.9 Received-SPF: pass client-ip=170.10.133.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -29 X-Spam_score: -3.0 X-Spam_bar: --- X-Spam_report: (-3.0 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.935, 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_PASS=-0.001, T_SPF_HELO_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Marc-André Lureau A VGA interface is available if it has no class_names, or we can look up any of the names - we shouldn't call module_object_class_by_name(NULL), as happening for ex with TCX or CG3 on x86. Signed-off-by: Marc-André Lureau --- system/vl.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/system/vl.c b/system/vl.c index a3eede5fa5..398f88b0f0 100644 --- a/system/vl.c +++ b/system/vl.c @@ -999,9 +999,16 @@ static bool vga_interface_available(VGAInterfaceType t) const VGAInterfaceInfo *ti = &vga_interfaces[t]; assert(t < VGA_TYPE_MAX); - return !ti->class_names[0] || - module_object_class_by_name(ti->class_names[0]) || - module_object_class_by_name(ti->class_names[1]); + + if (!ti->class_names[0] || module_object_class_by_name(ti->class_names[0])) { + return true; + } + + if (ti->class_names[1] && module_object_class_by_name(ti->class_names[1])) { + return true; + } + + return false; } static const char *