From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id DD668A0613 for ; Thu, 29 Aug 2019 04:37:54 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id F05AB1D127; Thu, 29 Aug 2019 04:35:09 +0200 (CEST) Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) by dpdk.org (Postfix) with ESMTP id D2ABF1C23F for ; Thu, 29 Aug 2019 04:34:52 +0200 (CEST) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga004.jf.intel.com ([10.7.209.38]) by orsmga105.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Aug 2019 19:34:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,442,1559545200"; d="scan'208";a="332363608" Received: from dpdk51.sh.intel.com ([10.67.110.245]) by orsmga004.jf.intel.com with ESMTP; 28 Aug 2019 19:34:50 -0700 From: Qi Zhang To: wenzhuo.lu@intel.com, qiming.yang@intel.com Cc: dev@dpdk.org, xiaolong.ye@intel.com, Qi Zhang , Anirudh Venkataramanan , Paul M Stillwell Jr Date: Thu, 29 Aug 2019 10:36:13 +0800 Message-Id: <20190829023656.8220-21-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190829023656.8220-1-qi.z.zhang@intel.com> References: <20190826105105.19121-1-qi.z.zhang@intel.com> <20190829023656.8220-1-qi.z.zhang@intel.com> Subject: [dpdk-dev] [PATCH v2 20/63] net/ice/base: check root pointer for validity X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 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" ice_sched_get_tc_node uses pi->root without checking for NULL. Add a check to prevent NULL pointer dereference. Signed-off-by: Anirudh Venkataramanan Signed-off-by: Paul M Stillwell Jr Signed-off-by: Qi Zhang --- drivers/net/ice/base/ice_sched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ice/base/ice_sched.c b/drivers/net/ice/base/ice_sched.c index d16f256c9..84a033f1c 100644 --- a/drivers/net/ice/base/ice_sched.c +++ b/drivers/net/ice/base/ice_sched.c @@ -284,7 +284,7 @@ struct ice_sched_node *ice_sched_get_tc_node(struct ice_port_info *pi, u8 tc) { u8 i; - if (!pi) + if (!pi || !pi->root) return NULL; for (i = 0; i < pi->root->num_children; i++) if (pi->root->children[i]->tc_num == tc) -- 2.13.6