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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7DA56C433FE for ; Wed, 17 Nov 2021 18:26:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 66CF261BC1 for ; Wed, 17 Nov 2021 18:26:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240024AbhKQS3k (ORCPT ); Wed, 17 Nov 2021 13:29:40 -0500 Received: from mail.kernel.org ([198.145.29.99]:55556 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240019AbhKQS3g (ORCPT ); Wed, 17 Nov 2021 13:29:36 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id BA27461A62; Wed, 17 Nov 2021 18:26:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1637173596; bh=cTwcL7Q1aISIEWW27EcvXwtKYIYVbjSDJAPhiOQrv3I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QmeNigGn2DCXsh2P+cdrK9YlI+5btbCu2NuMazv6QzJTvQT8Bx+wUek4RWd4f/MTz oBEIjQZdtrTeQSmQOL6Uwb0/XxMoDxcdkvtc21I/DFhnWrjz0oZTz4CWcFyduqwZQs T5l7DMG3YMU+/jg1dhnW2n4TuAbowgu83zOiwHfjsyqX4zMfF4AXT3H9IjQ5vZIkRj 90ljwF8wsjslwjKOi56Mlv+Q7kIOD6Vh5tKsQGSCrG2PKJPtT1t2bZIV8UM9Mr/eMm /JAbg91YdQf/FNs5epVv/ZyoqnjNGZQXrOZL7sP8AyrywkQaiOWKAR2D3n1mPWe/FG eFvkEMLcqb+ew== From: Leon Romanovsky To: "David S . Miller" , Jakub Kicinski Cc: Leon Romanovsky , Alexandre Belloni , Andrew Lunn , Aya Levin , Claudiu Manoil , drivers@pensando.io, Florian Fainelli , Ido Schimmel , intel-wired-lan@lists.osuosl.org, Ioana Ciornei , Jesse Brandeburg , Jiri Pirko , linux-kernel@vger.kernel.org, linux-rdma@vger.kernel.org, Michael Chan , netdev@vger.kernel.org, oss-drivers@corigine.com, Saeed Mahameed , Shannon Nelson , Simon Horman , Taras Chornyi , Tariq Toukan , Tony Nguyen , UNGLinuxDriver@microchip.com, Vivien Didelot , Vladimir Oltean Subject: [PATCH net-next 3/6] devlink: Simplify devlink resources unregister call Date: Wed, 17 Nov 2021 20:26:19 +0200 Message-Id: X-Mailer: git-send-email 2.33.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Leon Romanovsky The devlink_resources_unregister() used second parameter as an entry point for the recursive removal of devlink resources. None of external to devlink users needed to use this field, so lat's remove it. Signed-off-by: Leon Romanovsky --- drivers/net/ethernet/mellanox/mlxsw/core.c | 8 ++--- .../net/ethernet/mellanox/mlxsw/spectrum.c | 4 +-- drivers/net/netdevsim/dev.c | 4 +-- include/net/devlink.h | 3 +- net/core/devlink.c | 34 +++++++++++-------- net/dsa/dsa.c | 2 +- 6 files changed, 29 insertions(+), 26 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlxsw/core.c b/drivers/net/ethernet/mellanox/mlxsw/core.c index 3fd3812b8f31..0d1f08bbf631 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/core.c +++ b/drivers/net/ethernet/mellanox/mlxsw/core.c @@ -160,7 +160,7 @@ static void mlxsw_ports_fini(struct mlxsw_core *mlxsw_core, bool reload) devlink_resource_occ_get_unregister(devlink, MLXSW_CORE_RESOURCE_PORTS); if (!reload) - devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL); + devlink_resources_unregister(priv_to_devlink(mlxsw_core)); kfree(mlxsw_core->ports); } @@ -2033,7 +2033,7 @@ __mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info, mlxsw_ports_fini(mlxsw_core, reload); err_ports_init: if (!reload) - devlink_resources_unregister(devlink, NULL); + devlink_resources_unregister(devlink); err_register_resources: mlxsw_bus->fini(bus_priv); err_bus_init: @@ -2099,7 +2099,7 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, kfree(mlxsw_core->lag.mapping); mlxsw_ports_fini(mlxsw_core, reload); if (!reload) - devlink_resources_unregister(devlink, NULL); + devlink_resources_unregister(devlink); mlxsw_core->bus->fini(mlxsw_core->bus_priv); if (!reload) devlink_free(devlink); @@ -2108,7 +2108,7 @@ void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, reload_fail_deinit: mlxsw_core_params_unregister(mlxsw_core); - devlink_resources_unregister(devlink, NULL); + devlink_resources_unregister(devlink); devlink_free(devlink); } EXPORT_SYMBOL(mlxsw_core_bus_device_unregister); diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c index 5925db386b1b..6a5887aacbc0 100644 --- a/drivers/net/ethernet/mellanox/mlxsw/spectrum.c +++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum.c @@ -3336,7 +3336,7 @@ static int mlxsw_sp1_resources_register(struct mlxsw_core *mlxsw_core) err_policer_resources_register: err_resources_counter_register: err_resources_span_register: - devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL); + devlink_resources_unregister(priv_to_devlink(mlxsw_core)); return err; } @@ -3370,7 +3370,7 @@ static int mlxsw_sp2_resources_register(struct mlxsw_core *mlxsw_core) err_policer_resources_register: err_resources_counter_register: err_resources_span_register: - devlink_resources_unregister(priv_to_devlink(mlxsw_core), NULL); + devlink_resources_unregister(priv_to_devlink(mlxsw_core)); return err; } diff --git a/drivers/net/netdevsim/dev.c b/drivers/net/netdevsim/dev.c index 54345c096a16..08d7b465a0de 100644 --- a/drivers/net/netdevsim/dev.c +++ b/drivers/net/netdevsim/dev.c @@ -1622,7 +1622,7 @@ int nsim_drv_probe(struct nsim_bus_dev *nsim_bus_dev) devlink_params_unregister(devlink, nsim_devlink_params, ARRAY_SIZE(nsim_devlink_params)); err_dl_unregister: - devlink_resources_unregister(devlink, NULL); + devlink_resources_unregister(devlink); err_vfc_free: kfree(nsim_dev->vfconfigs); err_devlink_free: @@ -1668,7 +1668,7 @@ void nsim_drv_remove(struct nsim_bus_dev *nsim_bus_dev) nsim_dev_debugfs_exit(nsim_dev); devlink_params_unregister(devlink, nsim_devlink_params, ARRAY_SIZE(nsim_devlink_params)); - devlink_resources_unregister(devlink, NULL); + devlink_resources_unregister(devlink); kfree(nsim_dev->vfconfigs); devlink_free(devlink); dev_set_drvdata(&nsim_bus_dev->dev, NULL); diff --git a/include/net/devlink.h b/include/net/devlink.h index aab3d007c577..f919545f5781 100644 --- a/include/net/devlink.h +++ b/include/net/devlink.h @@ -1567,8 +1567,7 @@ int devlink_resource_register(struct devlink *devlink, u64 resource_id, u64 parent_resource_id, const struct devlink_resource_size_params *size_params); -void devlink_resources_unregister(struct devlink *devlink, - struct devlink_resource *resource); +void devlink_resources_unregister(struct devlink *devlink); int devlink_resource_size_get(struct devlink *devlink, u64 resource_id, u64 *p_resource_size); diff --git a/net/core/devlink.c b/net/core/devlink.c index dcc09c62f3e5..af94015b7424 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -9889,34 +9889,38 @@ int devlink_resource_register(struct devlink *devlink, } EXPORT_SYMBOL_GPL(devlink_resource_register); +static void devlink_resource_unregister(struct devlink *devlink, + struct devlink_resource *resource) +{ + struct devlink_resource *tmp, *child_resource; + + list_for_each_entry_safe(child_resource, tmp, &resource->resource_list, + list) { + devlink_resource_unregister(devlink, child_resource); + list_del(&child_resource->list); + kfree(child_resource); + } +} + /** * devlink_resources_unregister - free all resources * * @devlink: devlink - * @resource: resource */ -void devlink_resources_unregister(struct devlink *devlink, - struct devlink_resource *resource) +void devlink_resources_unregister(struct devlink *devlink) { struct devlink_resource *tmp, *child_resource; - struct list_head *resource_list; - - if (resource) - resource_list = &resource->resource_list; - else - resource_list = &devlink->resource_list; - if (!resource) - mutex_lock(&devlink->lock); + mutex_lock(&devlink->lock); - list_for_each_entry_safe(child_resource, tmp, resource_list, list) { - devlink_resources_unregister(devlink, child_resource); + list_for_each_entry_safe(child_resource, tmp, &devlink->resource_list, + list) { + devlink_resource_unregister(devlink, child_resource); list_del(&child_resource->list); kfree(child_resource); } - if (!resource) - mutex_unlock(&devlink->lock); + mutex_unlock(&devlink->lock); } EXPORT_SYMBOL_GPL(devlink_resources_unregister); diff --git a/net/dsa/dsa.c b/net/dsa/dsa.c index ea5169e671ae..d9d0d227092c 100644 --- a/net/dsa/dsa.c +++ b/net/dsa/dsa.c @@ -406,7 +406,7 @@ EXPORT_SYMBOL_GPL(dsa_devlink_resource_register); void dsa_devlink_resources_unregister(struct dsa_switch *ds) { - devlink_resources_unregister(ds->devlink, NULL); + devlink_resources_unregister(ds->devlink); } EXPORT_SYMBOL_GPL(dsa_devlink_resources_unregister); -- 2.33.1