From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([209.51.188.92]:38934) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hME3N-00038S-Qa for qemu-devel@nongnu.org; Thu, 02 May 2019 11:55:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hME3M-0006BL-V6 for qemu-devel@nongnu.org; Thu, 02 May 2019 11:55:21 -0400 From: Cornelia Huck Date: Thu, 2 May 2019 17:55:16 +0200 Message-Id: <20190502155516.12415-1-cohuck@redhat.com> Subject: [Qemu-devel] [PATCH] s390/ipl: cast to SCSIDevice directly List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Thomas Huth , Christian Borntraeger Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org, "Jason J . Herne" , Cornelia Huck Coverity notes that the result of object_dynamic_cast() to SCSIDevice is not checked in s390_gen_initial_iplp(); as we know that we always have a SCSIDevice in that branch, we can instead cast via SCSI_DEVICE directly. Coverity: CID 1401098 Fixes: 44445d8668f4 ("s390 vfio-ccw: Add bootindex property and IPLB data") Signed-off-by: Cornelia Huck --- hw/s390x/ipl.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index d0cc06a05fd0..b93750c14eac 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -374,8 +374,7 @@ static bool s390_gen_initial_iplb(S390IPLState *ipl) if (ccw_dev) { switch (devtype) { case CCW_DEVTYPE_SCSI: - sd = (SCSIDevice *) object_dynamic_cast(OBJECT(dev_st), - TYPE_SCSI_DEVICE); + sd = SCSI_DEVICE(dev_st); ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN); ipl->iplb.blk0_len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN - S390_IPLB_HEADER_LEN); -- 2.17.2 From mboxrd@z Thu Jan 1 00:00:00 1970 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=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 59806C43219 for ; Thu, 2 May 2019 15:56:08 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2CA342075E for ; Thu, 2 May 2019 15:56:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2CA342075E 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 ([127.0.0.1]:53548 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hME47-0003we-Fq for qemu-devel@archiver.kernel.org; Thu, 02 May 2019 11:56:07 -0400 Received: from eggs.gnu.org ([209.51.188.92]:38934) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hME3N-00038S-Qa for qemu-devel@nongnu.org; Thu, 02 May 2019 11:55:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hME3M-0006BL-V6 for qemu-devel@nongnu.org; Thu, 02 May 2019 11:55:21 -0400 Received: from mx1.redhat.com ([209.132.183.28]:37462) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hME3M-0006Aj-PK; Thu, 02 May 2019 11:55:20 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C5956CAA67; Thu, 2 May 2019 15:55:19 +0000 (UTC) Received: from localhost (dhcp-192-222.str.redhat.com [10.33.192.222]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 723A41001E6F; Thu, 2 May 2019 15:55:19 +0000 (UTC) From: Cornelia Huck To: Thomas Huth , Christian Borntraeger Date: Thu, 2 May 2019 17:55:16 +0200 Message-Id: <20190502155516.12415-1-cohuck@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Thu, 02 May 2019 15:55:19 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH] s390/ipl: cast to SCSIDevice directly 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: "Jason J . Herne" , qemu-s390x@nongnu.org, Cornelia Huck , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="UTF-8" Message-ID: <20190502155516.t5x_m4cng6KwCV9u66QXDdGYgOI3wU4bUAaxHhqrtvo@z> Coverity notes that the result of object_dynamic_cast() to SCSIDevice is not checked in s390_gen_initial_iplp(); as we know that we always have a SCSIDevice in that branch, we can instead cast via SCSI_DEVICE directly. Coverity: CID 1401098 Fixes: 44445d8668f4 ("s390 vfio-ccw: Add bootindex property and IPLB data") Signed-off-by: Cornelia Huck --- hw/s390x/ipl.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c index d0cc06a05fd0..b93750c14eac 100644 --- a/hw/s390x/ipl.c +++ b/hw/s390x/ipl.c @@ -374,8 +374,7 @@ static bool s390_gen_initial_iplb(S390IPLState *ipl) if (ccw_dev) { switch (devtype) { case CCW_DEVTYPE_SCSI: - sd = (SCSIDevice *) object_dynamic_cast(OBJECT(dev_st), - TYPE_SCSI_DEVICE); + sd = SCSI_DEVICE(dev_st); ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN); ipl->iplb.blk0_len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN - S390_IPLB_HEADER_LEN); -- 2.17.2