From patchwork Mon Apr 20 08:32:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Markus Armbruster X-Patchwork-Id: 284208 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=3.0 tests=DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 28725C3815B for ; Mon, 20 Apr 2020 08:33:59 +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 D966F20679 for ; Mon, 20 Apr 2020 08:33:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="SPD7Rd95" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D966F20679 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+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:59614 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jQRsM-0004eY-10 for qemu-devel@archiver.kernel.org; Mon, 20 Apr 2020 04:33:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56458 helo=eggs1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jQRrA-0002su-Rc for qemu-devel@nongnu.org; Mon, 20 Apr 2020 04:32:45 -0400 Received: from Debian-exim by eggs1p.gnu.org with spam-scanned (Exim 4.90_1) (envelope-from ) id 1jQRr9-0006vB-Vt for qemu-devel@nongnu.org; Mon, 20 Apr 2020 04:32:44 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:43633 helo=us-smtp-1.mimecast.com) by eggs1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1jQRr9-0006so-It for qemu-devel@nongnu.org; Mon, 20 Apr 2020 04:32:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1587371562; 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=BdJl/PQJmyTmQZwAl3BjGF01EwCwSr6LL+1E8TqTgAw=; b=SPD7Rd95sxlmCX5yKR0SYF6c7RviaYneSa7DFZ7k4lddGpgA31JGP4Ib9L2+k7lyB6vABK AhhsyvigKy2egaZmmwhrIgWbiLjJUMYJ7MF/P0FQI3tHrBx6wKtIoWYAaWkgF/UY8rG1By +cc1IvGyY//zqSedFkejGPeU0j2vTok= 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-345-dYaYX7dQN9uwNlwvinFLnw-1; Mon, 20 Apr 2020 04:32:40 -0400 X-MC-Unique: dYaYX7dQN9uwNlwvinFLnw-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F36BE8018A1 for ; Mon, 20 Apr 2020 08:32:39 +0000 (UTC) Received: from blackfin.pond.sub.org (ovpn-113-6.ams2.redhat.com [10.36.113.6]) by smtp.corp.redhat.com (Postfix) with ESMTPS id C1A3026578; Mon, 20 Apr 2020 08:32:39 +0000 (UTC) Received: by blackfin.pond.sub.org (Postfix, from userid 1000) id B00F411358C2; Mon, 20 Apr 2020 10:32:36 +0200 (CEST) From: Markus Armbruster To: qemu-devel@nongnu.org Subject: [PATCH 06/11] fdc: Fix fallback=auto error handling Date: Mon, 20 Apr 2020 10:32:31 +0200 Message-Id: <20200420083236.19309-7-armbru@redhat.com> In-Reply-To: <20200420083236.19309-1-armbru@redhat.com> References: <20200420083236.19309-1-armbru@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=207.211.31.120; envelope-from=armbru@redhat.com; helo=us-smtp-1.mimecast.com X-detected-operating-system: by eggs1p.gnu.org: First seen = 2020/04/20 03:29:13 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.120 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: John Snow Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" fdctrl_realize_common() rejects fallback=auto. Used by devices "isa-fdc", "sysbus-fdc", "SUNW,fdtwo". The error handling is broken: $ qemu-system-x86_64 -nodefaults -device isa-fdc,fallback=auto,driveA=fd0 -drive if=none,id=fd0 ** ERROR:/work/armbru/qemu/hw/block/fdc.c:434:pick_drive_type: assertion failed: (drv->drive != FLOPPY_DRIVE_TYPE_AUTO) Aborted (core dumped) Cause: fdctrl_realize_common() neglects to bail out after setting the error. Fix that. Fixes: a73275dd6fc3bfda33165bebc28e0c33c20cb0a0 Cc: John Snow Signed-off-by: Markus Armbruster --- hw/block/fdc.c | 1 + 1 file changed, 1 insertion(+) diff --git a/hw/block/fdc.c b/hw/block/fdc.c index 33bc9e2f92..9628cc171e 100644 --- a/hw/block/fdc.c +++ b/hw/block/fdc.c @@ -2615,6 +2615,7 @@ static void fdctrl_realize_common(DeviceState *dev, FDCtrl *fdctrl, if (fdctrl->fallback == FLOPPY_DRIVE_TYPE_AUTO) { error_setg(errp, "Cannot choose a fallback FDrive type of 'auto'"); + return; } /* Fill 'command_to_handler' lookup table */