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=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 B87E5C04E53 for ; Wed, 15 May 2019 20:52:53 +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 8960420818 for ; Wed, 15 May 2019 20:52:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8960420818 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]:42347 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hR0tQ-0007Ux-PS for qemu-devel@archiver.kernel.org; Wed, 15 May 2019 16:52:52 -0400 Received: from eggs.gnu.org ([209.51.188.92]:52700) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hR0rT-0005tp-JK for qemu-devel@nongnu.org; Wed, 15 May 2019 16:50:52 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hR0rR-0001E8-KA for qemu-devel@nongnu.org; Wed, 15 May 2019 16:50:51 -0400 Received: from mx1.redhat.com ([209.132.183.28]:39322) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hR0rP-0001CH-Md; Wed, 15 May 2019 16:50:47 -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 13B6D3001561; Wed, 15 May 2019 20:50:46 +0000 (UTC) Received: from 640k.localdomain.com (ovpn-112-17.ams2.redhat.com [10.36.112.17]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9FFF85C5B0; Wed, 15 May 2019 20:50:44 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Date: Wed, 15 May 2019 22:50:17 +0200 Message-Id: <1557953433-19663-6-git-send-email-pbonzini@redhat.com> In-Reply-To: <1557953433-19663-1-git-send-email-pbonzini@redhat.com> References: <1557953433-19663-1-git-send-email-pbonzini@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 [10.5.110.46]); Wed, 15 May 2019 20:50:46 +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] [PULL 05/21] megasas: fix mapped frame size 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: Peter Lieven , qemu-stable@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Peter Lieven the current value of 1024 bytes (16 * MFI_FRAME_SIZE) we map is not enough to hold the maximum number of scatter gather elements we advertise. We actually need a maximum of 2048 bytes. This is 128 max sg elements * 16 bytes (sizeof (union mfi_sgl)). Cc: qemu-stable@nongnu.org Signed-off-by: Peter Lieven Message-Id: <20190404121015.28634-1-pl@kamp.de> Reviewed-by: Hannes Reinecke Signed-off-by: Paolo Bonzini --- hw/scsi/megasas.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index a56317e..5ad762d 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -477,7 +477,7 @@ static MegasasCmd *megasas_enqueue_frame(MegasasState *s, { PCIDevice *pcid = PCI_DEVICE(s); MegasasCmd *cmd = NULL; - int frame_size = MFI_FRAME_SIZE * 16; + int frame_size = MEGASAS_MAX_SGE * sizeof(union mfi_sgl); hwaddr frame_size_p = frame_size; unsigned long index; -- 1.8.3.1