From patchwork Fri Feb 6 17:35:03 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Wolf X-Patchwork-Id: 437426 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org 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 8903814016A for ; Sat, 7 Feb 2015 04:37:47 +1100 (AEDT) Received: from localhost ([::1]:49881 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YJmqf-0002NI-Ne for incoming@patchwork.ozlabs.org; Fri, 06 Feb 2015 12:37:45 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:60756) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YJmoN-0006vC-51 for qemu-devel@nongnu.org; Fri, 06 Feb 2015 12:35:27 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YJmoG-0005cl-Ti for qemu-devel@nongnu.org; Fri, 06 Feb 2015 12:35:22 -0500 Received: from mx1.redhat.com ([209.132.183.28]:51367) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YJmoG-0005ch-MG for qemu-devel@nongnu.org; Fri, 06 Feb 2015 12:35:16 -0500 Received: from int-mx10.intmail.prod.int.phx2.redhat.com (int-mx10.intmail.prod.int.phx2.redhat.com [10.5.11.23]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id t16HZF5C028316 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL) for ; Fri, 6 Feb 2015 12:35:15 -0500 Received: from noname.redhat.com (ovpn-116-120.ams2.redhat.com [10.36.116.120]) by int-mx10.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id t16HZ9UM030381; Fri, 6 Feb 2015 12:35:13 -0500 From: Kevin Wolf To: qemu-devel@nongnu.org Date: Fri, 6 Feb 2015 18:35:03 +0100 Message-Id: <1423244107-21403-2-git-send-email-kwolf@redhat.com> In-Reply-To: <1423244107-21403-1-git-send-email-kwolf@redhat.com> References: <1423244107-21403-1-git-send-email-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.23 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: kwolf@redhat.com Subject: [Qemu-devel] [PULL v2 43/47] blockdev: Give find_block_job() an Error ** parameter X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Markus Armbruster When find_block_job() fails, all its callers build the same Error object. Build it in find_block_job() instead. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake Message-id: 1422524221-8566-2-git-send-email-armbru@redhat.com Reviewed-by: Max Reitz Signed-off-by: Max Reitz --- blockdev.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/blockdev.c b/blockdev.c index d59efd3..8d6ca35 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2653,7 +2653,8 @@ out: } /* Get the block job for a given device name and acquire its AioContext */ -static BlockJob *find_block_job(const char *device, AioContext **aio_context) +static BlockJob *find_block_job(const char *device, AioContext **aio_context, + Error **errp) { BlockDriverState *bs; @@ -2673,6 +2674,7 @@ static BlockJob *find_block_job(const char *device, AioContext **aio_context) return bs->job; notfound: + error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device); *aio_context = NULL; return NULL; } @@ -2680,10 +2682,9 @@ notfound: void qmp_block_job_set_speed(const char *device, int64_t speed, Error **errp) { AioContext *aio_context; - BlockJob *job = find_block_job(device, &aio_context); + BlockJob *job = find_block_job(device, &aio_context, errp); if (!job) { - error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device); return; } @@ -2695,10 +2696,9 @@ void qmp_block_job_cancel(const char *device, bool has_force, bool force, Error **errp) { AioContext *aio_context; - BlockJob *job = find_block_job(device, &aio_context); + BlockJob *job = find_block_job(device, &aio_context, errp); if (!job) { - error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device); return; } @@ -2721,10 +2721,9 @@ out: void qmp_block_job_pause(const char *device, Error **errp) { AioContext *aio_context; - BlockJob *job = find_block_job(device, &aio_context); + BlockJob *job = find_block_job(device, &aio_context, errp); if (!job) { - error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device); return; } @@ -2736,10 +2735,9 @@ void qmp_block_job_pause(const char *device, Error **errp) void qmp_block_job_resume(const char *device, Error **errp) { AioContext *aio_context; - BlockJob *job = find_block_job(device, &aio_context); + BlockJob *job = find_block_job(device, &aio_context, errp); if (!job) { - error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device); return; } @@ -2751,10 +2749,9 @@ void qmp_block_job_resume(const char *device, Error **errp) void qmp_block_job_complete(const char *device, Error **errp) { AioContext *aio_context; - BlockJob *job = find_block_job(device, &aio_context); + BlockJob *job = find_block_job(device, &aio_context, errp); if (!job) { - error_set(errp, QERR_BLOCK_JOB_NOT_ACTIVE, device); return; }