From patchwork Wed Aug 23 16:19:51 2017 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: 805097 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xct6g1Mcwz9s83 for ; Thu, 24 Aug 2017 02:24:27 +1000 (AEST) Received: from localhost ([::1]:44652 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dkYS9-0007sj-1W for incoming@patchwork.ozlabs.org; Wed, 23 Aug 2017 12:24:25 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43600) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dkYOm-0005hp-MW for qemu-devel@nongnu.org; Wed, 23 Aug 2017 12:20:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dkYOj-0007Aq-IW for qemu-devel@nongnu.org; Wed, 23 Aug 2017 12:20:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44940) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dkYOj-0007Ab-BS for qemu-devel@nongnu.org; Wed, 23 Aug 2017 12:20:53 -0400 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4E640C04B333; Wed, 23 Aug 2017 16:20:52 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 4E640C04B333 Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx07.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=marcandre.lureau@redhat.com Received: from localhost (ovpn-112-32.ams2.redhat.com [10.36.112.32]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3E5797E64E; Wed, 23 Aug 2017 16:20:48 +0000 (UTC) From: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= To: qemu-devel@nongnu.org Date: Wed, 23 Aug 2017 18:19:51 +0200 Message-Id: <20170823162004.27337-15-marcandre.lureau@redhat.com> In-Reply-To: <20170823162004.27337-1-marcandre.lureau@redhat.com> References: <20170823162004.27337-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Wed, 23 Aug 2017 16:20:52 +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] [PATCH 14/27] vhost-user-scsi: assert() in iscsi_add_lun() 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: =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , changpeng.liu@intel.com, felipe@nutanix.com Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Instead of a preliminary check, add an assert to the function that has the pre-condition. Signed-off-by: Marc-André Lureau Reviewed-by: Philippe Mathieu-Daudé --- contrib/vhost-user-scsi/vhost-user-scsi.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/contrib/vhost-user-scsi/vhost-user-scsi.c b/contrib/vhost-user-scsi/vhost-user-scsi.c index b40009e234..988417393f 100644 --- a/contrib/vhost-user-scsi/vhost-user-scsi.c +++ b/contrib/vhost-user-scsi/vhost-user-scsi.c @@ -255,6 +255,7 @@ static int iscsi_add_lun(iscsi_lun_t *lun, char *iscsi_uri) assert(lun); assert(iscsi_uri); + assert(!lun->iscsi_ctx); iscsi_ctx = iscsi_create_context(VUS_ISCSI_INITIATOR); if (!iscsi_ctx) { @@ -664,11 +665,6 @@ static int vdev_scsi_add_iscsi_lun(vhost_scsi_dev_t *vdev_scsi, assert(iscsi_uri); assert(lun < VUS_MAX_LUNS); - if (vdev_scsi->luns[lun].iscsi_ctx) { - PERR("Lun %d already configured", lun); - return -1; - } - if (iscsi_add_lun(&vdev_scsi->luns[lun], iscsi_uri) != 0) { return -1; }