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=-19.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 67466C433DB for ; Thu, 11 Mar 2021 22:38:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 293D064F26 for ; Thu, 11 Mar 2021 22:38:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229505AbhCKWhr (ORCPT ); Thu, 11 Mar 2021 17:37:47 -0500 Received: from mail.kernel.org ([198.145.29.99]:33418 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229524AbhCKWhe (ORCPT ); Thu, 11 Mar 2021 17:37:34 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id D2C7164F8D; Thu, 11 Mar 2021 22:37:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1615502254; bh=QOCIQTlj6mCKctzKcYbsi0/ICt1+lnxtqbWBqyjknNU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fXGWkm04E5krwRw9Ug/iTQBQXNGHud7U/7qsy2a9JcATIzs6ul1C5Gn3X8rLuc+9Q 6d9NPc/wtoolQJ4GguksOdondN4Tp7RsW6VnKQnLJ+1jO/MqRbLv9W8WBKMJfXcZ5N aPPWhrYEPhNq8CDcO9XrwjZBjZiW+H7aabGTG8fSuAXg6O9kug533b/rMdbqY0Vixi gSWnwK53maJzJ4Kl21MYTQ7ylrij3QnCznhPeotDo0v3HsYF1AmRxz78uJA1PhY+a1 QEqSKm5/CYFL1OAtkPOxGEyZxTMJCNl78Hz8n6bf99KIDcEABI3RbFABph5dvlPkbZ yhb/Hk9sYGcjw== From: Saeed Mahameed To: "David S. Miller" , Jakub Kicinski Cc: netdev@vger.kernel.org, Saeed Mahameed , Eli Cohen , Leon Romanovsky Subject: [net-next 01/15] net/mlx5: Don't skip vport check Date: Thu, 11 Mar 2021 14:37:09 -0800 Message-Id: <20210311223723.361301-2-saeed@kernel.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210311223723.361301-1-saeed@kernel.org> References: <20210311223723.361301-1-saeed@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Saeed Mahameed Users of mlx5_eswitch_get_vport() are required to check return value prior to passing mlx5_vport further. Fix all the places to do not skip that check. Reviewed-by: Eli Cohen Signed-off-by: Leon Romanovsky Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c | 2 +- drivers/net/ethernet/mellanox/mlx5/core/eswitch.c | 6 ++++++ drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c | 6 ++++++ 3 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c index cb1e181f4c6a..7bfc84238b3d 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/esw/devlink_port.c @@ -120,7 +120,7 @@ struct devlink_port *mlx5_esw_offloads_devlink_port(struct mlx5_eswitch *esw, u1 struct mlx5_vport *vport; vport = mlx5_eswitch_get_vport(esw, vport_num); - return vport->dl_port; + return IS_ERR(vport) ? ERR_CAST(vport) : vport->dl_port; } int mlx5_esw_devlink_sf_port_register(struct mlx5_eswitch *esw, struct devlink_port *dl_port, diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c index aba17835465b..fe1e06d95a12 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch.c @@ -1141,6 +1141,8 @@ int mlx5_esw_modify_vport_rate(struct mlx5_eswitch *esw, u16 vport_num, struct mlx5_vport *vport; vport = mlx5_eswitch_get_vport(esw, vport_num); + if (IS_ERR(vport)) + return PTR_ERR(vport); if (!vport->qos.enabled) return -EOPNOTSUPP; @@ -1279,6 +1281,8 @@ int mlx5_esw_vport_enable(struct mlx5_eswitch *esw, u16 vport_num, int ret; vport = mlx5_eswitch_get_vport(esw, vport_num); + if (IS_ERR(vport)) + return PTR_ERR(vport); mutex_lock(&esw->state_lock); WARN_ON(vport->enabled); @@ -1326,6 +1330,8 @@ void mlx5_esw_vport_disable(struct mlx5_eswitch *esw, u16 vport_num) struct mlx5_vport *vport; vport = mlx5_eswitch_get_vport(esw, vport_num); + if (IS_ERR(vport)) + return; mutex_lock(&esw->state_lock); if (!vport->enabled) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c index 94cb0217b4f3..703753ac2e02 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/eswitch_offloads.c @@ -2554,6 +2554,9 @@ static int esw_create_uplink_offloads_acl_tables(struct mlx5_eswitch *esw) struct mlx5_vport *vport; vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK); + if (IS_ERR(vport)) + return PTR_ERR(vport); + return esw_vport_create_offloads_acl_tables(esw, vport); } @@ -2562,6 +2565,9 @@ static void esw_destroy_uplink_offloads_acl_tables(struct mlx5_eswitch *esw) struct mlx5_vport *vport; vport = mlx5_eswitch_get_vport(esw, MLX5_VPORT_UPLINK); + if (IS_ERR(vport)) + return; + esw_vport_destroy_offloads_acl_tables(esw, vport); } -- 2.29.2