From patchwork Wed Dec 12 09:52:52 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 10725917 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 91152112E for ; Wed, 12 Dec 2018 09:57:36 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 823192996C for ; Wed, 12 Dec 2018 09:57:36 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 768652A379; Wed, 12 Dec 2018 09:57:36 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 154D82996C for ; Wed, 12 Dec 2018 09:57:36 +0000 (UTC) Received: from localhost ([::1]:43582 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX1Gp-0007wj-1F for patchwork-qemu-devel@patchwork.kernel.org; Wed, 12 Dec 2018 04:57:35 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43064) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gX1Cv-0004NS-OV for qemu-devel@nongnu.org; Wed, 12 Dec 2018 04:53:34 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gX1Cu-0004IA-Lm for qemu-devel@nongnu.org; Wed, 12 Dec 2018 04:53:33 -0500 Received: from mx1.redhat.com ([209.132.183.28]:42328) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gX1Cq-00049O-AN; Wed, 12 Dec 2018 04:53:28 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 97BEB308212F; Wed, 12 Dec 2018 09:53:27 +0000 (UTC) Received: from localhost (unknown [10.36.118.12]) by smtp.corp.redhat.com (Postfix) with ESMTP id AECF65D70A; Wed, 12 Dec 2018 09:53:16 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Date: Wed, 12 Dec 2018 09:52:52 +0000 Message-Id: <20181212095252.20349-3-stefanha@redhat.com> In-Reply-To: <20181212095252.20349-1-stefanha@redhat.com> References: <20181212095252.20349-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.42]); Wed, 12 Dec 2018 09:53:27 +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 2/2] virtio-blk: fix comment for virtio_blk_rw_complete as nalloc is initially -1 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: Kevin Wolf , Peter Maydell , Fam Zheng , qemu-block@nongnu.org, "Michael S. Tsirkin" , Dongli Zhang , Max Reitz , Stefan Hajnoczi Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Dongli Zhang The initial value of nalloc is -1, but not 1. Signed-off-by: Dongli Zhang Reviewed-by: Laurent Vivier Message-id: 1541479952-32355-1-git-send-email-dongli.zhang@oracle.com Signed-off-by: Stefan Hajnoczi --- hw/block/virtio-blk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/block/virtio-blk.c b/hw/block/virtio-blk.c index fb0d74da07..f208c6ddb9 100644 --- a/hw/block/virtio-blk.c +++ b/hw/block/virtio-blk.c @@ -96,7 +96,7 @@ static void virtio_blk_rw_complete(void *opaque, int ret) trace_virtio_blk_rw_complete(vdev, req, ret); if (req->qiov.nalloc != -1) { - /* If nalloc is != 1 req->qiov is a local copy of the original + /* If nalloc is != -1 req->qiov is a local copy of the original * external iovec. It was allocated in submit_requests to be * able to merge requests. */ qemu_iovec_destroy(&req->qiov);