From patchwork Tue Nov 3 19:18:22 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Saeed Mahameed X-Patchwork-Id: 11878881 X-Patchwork-Delegate: kuba@kernel.org 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 E3E59C55178 for ; Tue, 3 Nov 2020 19:19:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9024C22280 for ; Tue, 3 Nov 2020 19:19:01 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=nvidia.com header.i=@nvidia.com header.b="ZD0xaH8/" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729528AbgKCTTB (ORCPT ); Tue, 3 Nov 2020 14:19:01 -0500 Received: from hqnvemgate25.nvidia.com ([216.228.121.64]:15794 "EHLO hqnvemgate25.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729248AbgKCTTA (ORCPT ); Tue, 3 Nov 2020 14:19:00 -0500 Received: from hqmail.nvidia.com (Not Verified[216.228.121.13]) by hqnvemgate25.nvidia.com (using TLS: TLSv1.2, AES256-SHA) id ; Tue, 03 Nov 2020 11:18:59 -0800 Received: from sx1.mtl.com (10.124.1.5) by HQMAIL107.nvidia.com (172.20.187.13) with Microsoft SMTP Server (TLS) id 15.0.1473.3; Tue, 3 Nov 2020 19:18:59 +0000 From: Saeed Mahameed To: Jakub Kicinski CC: "David S. Miller" , , "Maor Dickman" , Paul Blakey , Saeed Mahameed Subject: [net 1/9] net/mlx5e: Fix modify header actions memory leak Date: Tue, 3 Nov 2020 11:18:22 -0800 Message-ID: <20201103191830.60151-2-saeedm@nvidia.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201103191830.60151-1-saeedm@nvidia.com> References: <20201103191830.60151-1-saeedm@nvidia.com> MIME-Version: 1.0 X-Originating-IP: [10.124.1.5] X-ClientProxiedBy: HQMAIL111.nvidia.com (172.20.187.18) To HQMAIL107.nvidia.com (172.20.187.13) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1604431139; bh=Sjjv+B7Sym9tfWVa1TPvk+rg1wiMJpx5dBuTH4GJV7U=; h=From:To:CC:Subject:Date:Message-ID:X-Mailer:In-Reply-To: References:MIME-Version:Content-Transfer-Encoding:Content-Type: X-Originating-IP:X-ClientProxiedBy; b=ZD0xaH8/gFdvoqy+QNAOMB3HggNsdzgPJSyzo/KmRzK2kqGk3yucMtqoOXxUHlJ2f slqtsOupwz47DmCbfIML7JW17sEB+7WCUR5C31mlZfuZ3Jr1Xcv2xnGWZNeFTZJEWs hwduRN4uvMyCKNLufh4vG4B3i+m6DxM2KUI14KOpTpwGAZj8iR/3sa7OpNuv09qc7j FAOZVFZgP72g+srHXP4eqlQo4Tb8m4AF2gXhpJpLsWuxFJWa1gPI7z0jZ4je9hHebQ 66YqRg3iJ28VVwFRRxRhslLUDYuslhQwQ4ezyUqRE2X641mafyBBIjDo0eXLu4JLmj cgfyYQ7xKoheg== Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org X-Patchwork-Delegate: kuba@kernel.org From: Maor Dickman Modify header actions are allocated during parse tc actions and only freed during the flow creation, however, on error flow the allocated memory is wrongly unfreed. Fix this by calling dealloc_mod_hdr_actions in __mlx5e_add_fdb_flow and mlx5e_add_nic_flow error flow. Fixes: d7e75a325cb2 ("net/mlx5e: Add offloading of E-Switch TC pedit (header re-write) action"') Fixes: 2f4fe4cab073 ("net/mlx5e: Add offloading of NIC TC pedit (header re-write) actions") Signed-off-by: Maor Dickman Reviewed-by: Paul Blakey Signed-off-by: Saeed Mahameed --- drivers/net/ethernet/mellanox/mlx5/core/en_tc.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c index e3a968e9e2a0..2e2fa0440032 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c @@ -4658,6 +4658,7 @@ __mlx5e_add_fdb_flow(struct mlx5e_priv *priv, return flow; err_free: + dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); mlx5e_flow_put(priv, flow); out: return ERR_PTR(err); @@ -4802,6 +4803,7 @@ mlx5e_add_nic_flow(struct mlx5e_priv *priv, return 0; err_free: + dealloc_mod_hdr_actions(&parse_attr->mod_hdr_acts); mlx5e_flow_put(priv, flow); out: return err;