Message ID | 20171006155422.10135-40-kwolf@redhat.com |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> 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=<UNKNOWN>) 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 3y7vzR5yB1z9t41 for <incoming@patchwork.ozlabs.org>; Sat, 7 Oct 2017 03:21:55 +1100 (AEDT) Received: from localhost ([::1]:45741 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>) id 1e0VNp-0006mx-SP for incoming@patchwork.ozlabs.org; Fri, 06 Oct 2017 12:21:53 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56390) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from <kwolf@redhat.com>) id 1e0UyK-000156-Ch for qemu-devel@nongnu.org; Fri, 06 Oct 2017 11:55:34 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <kwolf@redhat.com>) id 1e0UyJ-0003uH-IK for qemu-devel@nongnu.org; Fri, 06 Oct 2017 11:55:32 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50484) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <kwolf@redhat.com>) id 1e0UyF-0003m3-V4; Fri, 06 Oct 2017 11:55:28 -0400 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 D58F67AE97; Fri, 6 Oct 2017 15:55:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com D58F67AE97 Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx01.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=kwolf@redhat.com Received: from localhost.localdomain.com (unknown [10.36.118.31]) by smtp.corp.redhat.com (Postfix) with ESMTP id C6B3D67588; Fri, 6 Oct 2017 15:55:25 +0000 (UTC) From: Kevin Wolf <kwolf@redhat.com> To: qemu-block@nongnu.org Date: Fri, 6 Oct 2017 17:54:07 +0200 Message-Id: <20171006155422.10135-40-kwolf@redhat.com> In-Reply-To: <20171006155422.10135-1-kwolf@redhat.com> References: <20171006155422.10135-1-kwolf@redhat.com> 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 [10.5.110.25]); Fri, 06 Oct 2017 15:55:27 +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 39/54] block: Uniform handling of 0-length bdrv_get_block_status() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <http://lists.nongnu.org/archive/html/qemu-devel/> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: kwolf@redhat.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
[PULL,01/54] block: Typo fix in copy_on_readv()
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diff --git a/block/io.c b/block/io.c index e0f904583f..94f74703b7 100644 --- a/block/io.c +++ b/block/io.c @@ -1777,6 +1777,10 @@ static int64_t coroutine_fn bdrv_co_get_block_status(BlockDriverState *bs, *pnum = 0; return BDRV_BLOCK_EOF; } + if (!nb_sectors) { + *pnum = 0; + return 0; + } n = total_sectors - sector_num; if (n < nb_sectors) {