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=-13.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,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 97591C433FE for ; Thu, 3 Dec 2020 17:26:04 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E9258207B2 for ; Thu, 3 Dec 2020 17:26:01 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E9258207B2 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 ([::1]:37336 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kksMi-0000Vv-Ju for qemu-devel@archiver.kernel.org; Thu, 03 Dec 2020 12:26:00 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55450) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kksKH-0006gb-Dl for qemu-devel@nongnu.org; Thu, 03 Dec 2020 12:23:29 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:30518) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kksKF-0003Rc-Kb for qemu-devel@nongnu.org; Thu, 03 Dec 2020 12:23:29 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1607016206; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3WFvJcaC3EqpqiHgXJzqCNHaLxRITJyMEzdiPt+ayJw=; b=IzvIu4ArGtyglOryTFcC6fTx+Olj1cjHX/hoR3yTaAjJK6PN/vNcjCHvxM+gyAuZ9gihVn ZTrJh2EJwoHwE8aDm1w+lfabcGHU30h8Nw3ghM6360c7HIqUtxgHJ7QAzqrtDKI0YKe8Us mhu43zgcIHPtQi/BNNfdSP7H2l5lw98= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-506-rK4mZqEtMymmVulttgb-7A-1; Thu, 03 Dec 2020 12:23:24 -0500 X-MC-Unique: rK4mZqEtMymmVulttgb-7A-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id DD3BBAFA82; Thu, 3 Dec 2020 17:23:23 +0000 (UTC) Received: from merkur.fritz.box (ovpn-114-175.ams2.redhat.com [10.36.114.175]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9D3B163BA7; Thu, 3 Dec 2020 17:23:22 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Subject: [PATCH 1/3] block: Simplify qmp_block_resize() error paths Date: Thu, 3 Dec 2020 18:23:09 +0100 Message-Id: <20201203172311.68232-2-kwolf@redhat.com> In-Reply-To: <20201203172311.68232-1-kwolf@redhat.com> References: <20201203172311.68232-1-kwolf@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kwolf@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset="US-ASCII" Received-SPF: pass client-ip=63.128.21.124; envelope-from=kwolf@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-1.495, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, qemu-devel@nongnu.org, qemu-stable@nongnu.org, stefanha@redhat.com, mreitz@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The only thing that happens after the 'out:' label is blk_unref(blk). However, blk = NULL in all of the error cases, so instead of jumping to 'out:', we can just return directly. Cc: qemu-stable@nongnu.org Signed-off-by: Kevin Wolf --- blockdev.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/blockdev.c b/blockdev.c index fe6fb5dc1d..229d2cce1b 100644 --- a/blockdev.c +++ b/blockdev.c @@ -2468,17 +2468,17 @@ void coroutine_fn qmp_block_resize(bool has_device, const char *device, if (size < 0) { error_setg(errp, QERR_INVALID_PARAMETER_VALUE, "size", "a >0 size"); - goto out; + return; } if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_RESIZE, NULL)) { error_setg(errp, QERR_DEVICE_IN_USE, device); - goto out; + return; } blk = blk_new_with_bs(bs, BLK_PERM_RESIZE, BLK_PERM_ALL, errp); if (!blk) { - goto out; + return; } bdrv_drained_begin(bs); @@ -2487,7 +2487,6 @@ void coroutine_fn qmp_block_resize(bool has_device, const char *device, bdrv_co_leave(bs, old_ctx); bdrv_drained_end(bs); -out: bdrv_co_lock(bs); blk_unref(blk); bdrv_co_unlock(bs); -- 2.28.0