From patchwork Sat Mar 6 13:47:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jia-Ju Bai X-Patchwork-Id: 12120003 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 4034BC433DB for ; Sat, 6 Mar 2021 13:49:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C1AD6501C for ; Sat, 6 Mar 2021 13:49:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230222AbhCFNsr (ORCPT ); Sat, 6 Mar 2021 08:48:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51474 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230213AbhCFNsR (ORCPT ); Sat, 6 Mar 2021 08:48:17 -0500 Received: from mail-pl1-x630.google.com (mail-pl1-x630.google.com [IPv6:2607:f8b0:4864:20::630]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5D882C06174A; Sat, 6 Mar 2021 05:48:17 -0800 (PST) Received: by mail-pl1-x630.google.com with SMTP id d11so2796849plo.8; Sat, 06 Mar 2021 05:48:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=e4ypv4W27d2sjTQZzu/YE+vdRdz7Ylx2KBLR/wy3z20=; b=b1amEmZWdb256Tqfj+9BOOr1Ir0dUwNVVVcaeUoq7CUL+c0Y6sRmvKzBlCBaReK8um snqJ+anhP/cNNNx18WJLfjJyPaJNUDyg7YLieOQ615IkPWyt8tW6NnDlNUqhQm/zPNuu xH14ny1rCYPLRtjMgEoDNBdxaP5dT+nNUFEn/HgRvnOxs/omxK+6o2iD0qaSmc4862qm OpAArO+rrUhycGFjzITend6iuYRwjlVZlDehnQzADdYehAtlgU4npMOpCBrKUO6Dumy4 cbrjDPoj051q+ut9p8CLYCA47+fZ5f4ou7+ds+QuNN9Or811PV5L47hwHE2jTOmZTIJ2 3Q0w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=e4ypv4W27d2sjTQZzu/YE+vdRdz7Ylx2KBLR/wy3z20=; b=hAbaH1pFsSbFwxcAFza6S+I6rDwHRUFeTHEWYiupjzQwg3QWRhqNaCT/ERLZAbMhdm PEOZAvnvk2IDvYjsXMgnec1uZ0MaXtBfHQNtCgbLAwP9aF5b1NZdYeRKdnMeqr4pMb8p WXQgxMdrPy9Z4xZYHEsGpMMYekmizEhf4EEY/19AFo7a5QDmRLe3sfxN/0a6c3o54GpY o3C2mR+3tnRz9VY4CAsQqzC1oirygrtrQ/DFalBse7zu6UH0oir3ECgSco/8kff4JHsJ lhMyahke4wA8ZxBZSwdN5okQj7eKjyFD58uYe3Adn7ziZLhs1nCB5wDyj49KyxRa6FtD 81pw== X-Gm-Message-State: AOAM533PxzIKpKr44wc4mNPQOC5/SaS9qxJvm+lm9CF9Ta9TbIFnXfD2 CUxXTH8xbN4bgVciYolKB7I= X-Google-Smtp-Source: ABdhPJzzf7jdviTJjizo7FHVeWLpTUCDtFhwyTDIFvPlOEYiDTx7KqzY21sxZm8QihNrnfChOXsHMw== X-Received: by 2002:a17:902:be06:b029:e3:7031:bef with SMTP id r6-20020a170902be06b02900e370310befmr13069364pls.19.1615038496990; Sat, 06 Mar 2021 05:48:16 -0800 (PST) Received: from localhost.localdomain ([45.135.186.66]) by smtp.gmail.com with ESMTPSA id m6sm5687271pff.197.2021.03.06.05.48.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 06 Mar 2021 05:48:16 -0800 (PST) From: Jia-Ju Bai To: saeedm@nvidia.com, leon@kernel.org, davem@davemloft.net, kuba@kernel.org Cc: netdev@vger.kernel.org, linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Jia-Ju Bai Subject: [PATCH] net: mellanox: mlx5: fix error return code of mlx5e_stats_flower() Date: Sat, 6 Mar 2021 05:47:18 -0800 Message-Id: <20210306134718.17566-1-baijiaju1990@gmail.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org When mlx5e_tc_get_counter() returns NULL to counter or mlx5_devcom_get_peer_data() returns NULL to peer_esw, no error return code of mlx5e_stats_flower() is assigned. To fix this bug, err is assigned with -EINVAL in these cases. Reported-by: TOTE Robot Signed-off-by: Jia-Ju Bai --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index 0da69b98f38f..1f2c9da7bd35 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -4380,8 +4380,10 @@ int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, if (mlx5e_is_offloaded_flow(flow) || flow_flag_test(flow, CT)) { counter = mlx5e_tc_get_counter(flow); - if (!counter) + if (!counter) { + err = -EINVAL; goto errout; + } mlx5_fc_query_cached(counter, &bytes, &packets, &lastuse); } @@ -4390,8 +4392,10 @@ int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, * un-offloaded while the other rule is offloaded. */ peer_esw = mlx5_devcom_get_peer_data(devcom, MLX5_DEVCOM_ESW_OFFLOADS); - if (!peer_esw) + if (!peer_esw) { + err = -EINVAL; goto out; + } if (flow_flag_test(flow, DUP) && flow_flag_test(flow->peer_flow, OFFLOADED)) { @@ -4400,8 +4404,10 @@ int mlx5e_stats_flower(struct net_device *dev, struct mlx5e_priv *priv, u64 lastuse2; counter = mlx5e_tc_get_counter(flow->peer_flow); - if (!counter) + if (!counter) { + err = -EINVAL; goto no_peer_counter; + } mlx5_fc_query_cached(counter, &bytes2, &packets2, &lastuse2); bytes += bytes2;