From patchwork Mon Sep 6 02:02:52 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Zhang X-Patchwork-Id: 98010 X-Patchwork-Delegate: qi.z.zhang@intel.com Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 6A570A0C4D; Mon, 6 Sep 2021 04:16:55 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 8ED7C41120; Mon, 6 Sep 2021 04:16:53 +0200 (CEST) Received: from mga06.intel.com (mga06.intel.com [134.134.136.31]) by mails.dpdk.org (Postfix) with ESMTP id CC64741102; Mon, 6 Sep 2021 04:16:51 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10098"; a="280876512" X-IronPort-AV: E=Sophos;i="5.85,271,1624345200"; d="scan'208";a="280876512" Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga104.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2021 19:16:51 -0700 X-IronPort-AV: E=Sophos;i="5.85,271,1624345200"; d="scan'208";a="536351285" Received: from unknown (HELO intel-npg-odc-srv03.cd.intel.com) ([10.240.178.145]) by fmsmga003-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Sep 2021 19:16:46 -0700 From: Robin Zhang To: dev@dpdk.org Cc: beilei.xing@intel.com, qi.z.zhang@intel.com, helin.zhang@intel.com, jingjing.wu@intel.com, remy.horton@intel.com, jijiang.liu@intel.com, jing.d.chen@intel.com, heqing.zhu@intel.com, cunming.liang@intel.com, wenzhuo.lu@intel.com, roy.fan.zhang@intel.com, andrey.chilikin@intel.com, echaudro@redhat.com, junfeng.guo@intel.com, stevex.yang@intel.com, Robin Zhang , stable@dpdk.org, Christopher Pau Date: Mon, 6 Sep 2021 02:02:52 +0000 Message-Id: <20210906020258.1291688-13-robinx.zhang@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210906020258.1291688-1-robinx.zhang@intel.com> References: <20210618063851.3694702-1-robinx.zhang@intel.com> <20210906020258.1291688-1-robinx.zhang@intel.com> MIME-Version: 1.0 Subject: [dpdk-dev] [PATCH v4 12/18] net/i40e/base: fix checksum is used before return value is checked X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" The variable checksum from i40e_calc_nvm_checksum is used before return value is checked. Fix this logic. Fixes: 8db9e2a1b232 ("i40e: base driver") Fixes: 3ed6c3246f43 ("i40e/base: handle AQ timeout when releasing NVM") Cc: stable@dpdk.org Signed-off-by: Christopher Pau Signed-off-by: Robin Zhang --- drivers/net/i40e/base/i40e_nvm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/i40e/base/i40e_nvm.c b/drivers/net/i40e/base/i40e_nvm.c index 67e58cc195..f385042601 100644 --- a/drivers/net/i40e/base/i40e_nvm.c +++ b/drivers/net/i40e/base/i40e_nvm.c @@ -755,10 +755,11 @@ enum i40e_status_code i40e_update_nvm_checksum(struct i40e_hw *hw) DEBUGFUNC("i40e_update_nvm_checksum"); ret_code = i40e_calc_nvm_checksum(hw, &checksum); - le_sum = CPU_TO_LE16(checksum); - if (ret_code == I40E_SUCCESS) + if (ret_code == I40E_SUCCESS) { + le_sum = CPU_TO_LE16(checksum); ret_code = i40e_write_nvm_aq(hw, 0x00, I40E_SR_SW_CHECKSUM_WORD, 1, &le_sum, true); + } return ret_code; }