From patchwork Wed May 22 09:54:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?C=C3=A9dric_Le_Goater?= X-Patchwork-Id: 1937783 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=I/017pzU; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4Vkn083YbNz2020 for ; Wed, 22 May 2024 20:02:00 +1000 (AEST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1s9ihD-0003h1-Tb; Wed, 22 May 2024 05:55:43 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s9ih0-0003Xa-TU for qemu-devel@nongnu.org; Wed, 22 May 2024 05:55:30 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1s9igy-0001j2-Nm for qemu-devel@nongnu.org; Wed, 22 May 2024 05:55:30 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1716371727; 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=U3DTNO1j5SMlYNlsYmgdbbnL9vW6hJcpWt869udaP+g=; b=I/017pzUrfcBujMPWnfY+3Pdw6v4XSMMgcDFviPGzk603HWGwWWaOokby2lACziZnL/UNF GpHuuMXraVoVrJK4ZPGL1zd3Rjz9Ru6pQfZfqMJJqC8cgUh4poHEINjFCJbsUZrcL/k+Ae kAG1L+P/dygOqtO/I8xDBkQTTBbTJXY= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-259-ZGwaFJV5PBSeCCJbnEFOdQ-1; Wed, 22 May 2024 05:55:24 -0400 X-MC-Unique: ZGwaFJV5PBSeCCJbnEFOdQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5607129AA3B4; Wed, 22 May 2024 09:55:24 +0000 (UTC) Received: from corto.redhat.com (unknown [10.39.192.133]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2EEAF7412; Wed, 22 May 2024 09:55:23 +0000 (UTC) From: =?utf-8?q?C=C3=A9dric_Le_Goater?= To: qemu-devel@nongnu.org Cc: Alex Williamson , Zhenzhong Duan , =?utf-8?q?C=C3=A9dric_Le_Goater?= Subject: [PULL 24/47] vfio/container: Make vfio_connect_container() return bool Date: Wed, 22 May 2024 11:54:19 +0200 Message-ID: <20240522095442.195243-25-clg@redhat.com> In-Reply-To: <20240522095442.195243-1-clg@redhat.com> References: <20240522095442.195243-1-clg@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.5 Received-SPF: pass client-ip=170.10.129.124; envelope-from=clg@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, 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=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 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: Zhenzhong Duan This is to follow the coding standand to return bool if 'Error **' is used to pass error. Suggested-by: Cédric Le Goater Signed-off-by: Zhenzhong Duan Reviewed-by: Cédric Le Goater Signed-off-by: Cédric Le Goater --- hw/vfio/container.c | 18 +++++++----------- 1 file changed, 7 insertions(+), 11 deletions(-) diff --git a/hw/vfio/container.c b/hw/vfio/container.c index f2e9560a1906c4151535260e3488ee80ca90e78b..802828ddff061fef25b8e4c997a68348d4be9892 100644 --- a/hw/vfio/container.c +++ b/hw/vfio/container.c @@ -536,8 +536,8 @@ static bool vfio_legacy_setup(VFIOContainerBase *bcontainer, Error **errp) return true; } -static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, - Error **errp) +static bool vfio_connect_container(VFIOGroup *group, AddressSpace *as, + Error **errp) { VFIOContainer *container; VFIOContainerBase *bcontainer; @@ -589,19 +589,18 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, error_report("vfio: error disconnecting group %d from" " container", group->groupid); } - return ret; + return false; } group->container = container; QLIST_INSERT_HEAD(&container->group_list, group, container_next); vfio_kvm_device_add_group(group); - return 0; + return true; } } fd = qemu_open_old("/dev/vfio/vfio", O_RDWR); if (fd < 0) { error_setg_errno(errp, errno, "failed to open /dev/vfio/vfio"); - ret = -errno; goto put_space_exit; } @@ -609,7 +608,6 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, if (ret != VFIO_API_VERSION) { error_setg(errp, "supported vfio version: %d, " "reported version: %d", VFIO_API_VERSION, ret); - ret = -EINVAL; goto close_fd_exit; } @@ -636,7 +634,6 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, assert(bcontainer->ops->setup); if (!bcontainer->ops->setup(bcontainer, errp)) { - ret = -EINVAL; goto enable_discards_exit; } @@ -652,7 +649,6 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, memory_listener_register(&bcontainer->listener, bcontainer->space->as); if (bcontainer->error) { - ret = -1; error_propagate_prepend(errp, bcontainer->error, "memory listener initialization failed: "); goto listener_release_exit; @@ -660,7 +656,7 @@ static int vfio_connect_container(VFIOGroup *group, AddressSpace *as, bcontainer->initialized = true; - return 0; + return true; listener_release_exit: QLIST_REMOVE(group, container_next); QLIST_REMOVE(bcontainer, next); @@ -685,7 +681,7 @@ close_fd_exit: put_space_exit: vfio_put_address_space(space); - return ret; + return false; } static void vfio_disconnect_container(VFIOGroup *group) @@ -772,7 +768,7 @@ static VFIOGroup *vfio_get_group(int groupid, AddressSpace *as, Error **errp) group->groupid = groupid; QLIST_INIT(&group->device_list); - if (vfio_connect_container(group, as, errp)) { + if (!vfio_connect_container(group, as, errp)) { error_prepend(errp, "failed to setup container for group %d: ", groupid); goto close_fd_exit;