From nobody Sat Feb 7 10:07:29 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1505840020784250.78976592116805; Tue, 19 Sep 2017 09:53:40 -0700 (PDT) Received: from localhost ([::1]:44121 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duLmG-0005RU-1k for importer@patchew.org; Tue, 19 Sep 2017 12:53:40 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38761) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1duLdK-0005wh-1p for qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:44:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1duLdI-0002ht-NF for qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:44:26 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50550) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1duLdI-0002hZ-FC for qemu-devel@nongnu.org; Tue, 19 Sep 2017 12:44:24 -0400 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 mx1.redhat.com (Postfix) with ESMTPS id 75C76C0546F0; Tue, 19 Sep 2017 16:44:23 +0000 (UTC) Received: from localhost (unknown [10.36.117.0]) by smtp.corp.redhat.com (Postfix) with ESMTPS id DED415C542; Tue, 19 Sep 2017 16:44:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 75C76C0546F0 Authentication-Results: ext-mx08.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx08.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=cohuck@redhat.com From: Cornelia Huck To: peter.maydell@linaro.org Date: Tue, 19 Sep 2017 18:43:07 +0200 Message-Id: <20170919164337.18555-9-cohuck@redhat.com> In-Reply-To: <20170919164337.18555-1-cohuck@redhat.com> References: <20170919164337.18555-1-cohuck@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.32]); Tue, 19 Sep 2017 16:44:23 +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] [PULL v2 08/38] s390x/css: fix NULL handling for CCW addresses 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, david@redhat.com, Cornelia Huck , agraf@suse.de, qemu-devel@nongnu.org, borntraeger@de.ibm.com, Halil Pasic , rth@twiddle.net Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Halil Pasic Back then in the time of df1fe5bb49 ("s390: Virtual channel subsystem support.", 2013-01-24) -EIO used to map to a channel-program check (via the default label of the switch statement). Then 2dc95b4cac ("s390x/3270: 3270 data stream handling", 2016-04-01) came along and that changed dramatically. Let us roll back this undesired side effect, and go back to channel-program check. Signed-off-by: Halil Pasic Fixes: 2dc95b4cac "s390x/3270: 3270 data stream handling" Message-Id: <20170908152446.14606-3-pasic@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck --- hw/s390x/css.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/s390x/css.c b/hw/s390x/css.c index bab78fc79a..6d599477b2 100644 --- a/hw/s390x/css.c +++ b/hw/s390x/css.c @@ -793,7 +793,7 @@ static int css_interpret_ccw(SubchDev *sch, hwaddr ccw_= addr, CCW1 ccw; =20 if (!ccw_addr) { - return -EIO; + return -EINVAL; /* channel-program check */ } /* Check doubleword aligned and 31 or 24 (fmt 0) bit addressable. */ if (ccw_addr & (sch->ccw_fmt_1 ? 0x80000007 : 0xff000007)) { --=20 2.13.5