From patchwork Mon Mar 11 07:04:30 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Qi Zhang X-Patchwork-Id: 51051 X-Patchwork-Delegate: qi.z.zhang@intel.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 719F55F14; Mon, 11 Mar 2019 08:03:44 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by dpdk.org (Postfix) with ESMTP id 65BAA1B150 for ; Mon, 11 Mar 2019 08:03:41 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga107.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 11 Mar 2019 00:03:41 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,467,1544515200"; d="scan'208";a="124386236" Received: from dpdk51.sh.intel.com ([10.67.110.160]) by orsmga008.jf.intel.com with ESMTP; 11 Mar 2019 00:03:39 -0700 From: Qi Zhang To: wenzhuo.lu@intel.com, qiming.yang@intel.com Cc: dev@dpdk.org, paul.m.stillwell.jr@intel.com, ferruh.yigit@intel.com, Qi Zhang , Bruce Allan Date: Mon, 11 Mar 2019 15:04:30 +0800 Message-Id: <20190311070441.5501-28-qi.z.zhang@intel.com> X-Mailer: git-send-email 2.13.6 In-Reply-To: <20190311070441.5501-1-qi.z.zhang@intel.com> References: <20190228055650.25237-1-qi.z.zhang@intel.com> <20190311070441.5501-1-qi.z.zhang@intel.com> Subject: [dpdk-dev] [PATCH v3 27/38] net/ice/base: fix static analysis reported issues 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" Klocwork points out some code is unreachable in ice_get_itr_intrl_gran and ice_ptg_find_ptype. The patch removed the unreachable code and resolved the static analysis reported issues. Fixes: 51d04e4933e3 ("net/ice/base: add flexible pipeline module") Fixes: 453d087ccaff ("net/ice/base: add common functions") Signed-off-by: Bruce Allan Signed-off-by: Paul M Stillwell Jr Signed-off-by: Qi Zhang --- drivers/net/ice/base/ice_common.c | 12 ++---------- drivers/net/ice/base/ice_flex_pipe.c | 7 +------ 2 files changed, 3 insertions(+), 16 deletions(-) diff --git a/drivers/net/ice/base/ice_common.c b/drivers/net/ice/base/ice_common.c index ae0e7fc5f..2362dd774 100644 --- a/drivers/net/ice/base/ice_common.c +++ b/drivers/net/ice/base/ice_common.c @@ -741,7 +741,7 @@ void ice_output_fw_log(struct ice_hw *hw, struct ice_aq_desc *desc, void *buf) * Determines the itr/intrl granularities based on the maximum aggregate * bandwidth according to the device's configuration during power-on. */ -static enum ice_status ice_get_itr_intrl_gran(struct ice_hw *hw) +static void ice_get_itr_intrl_gran(struct ice_hw *hw) { u8 max_agg_bw = (rd32(hw, GL_PWR_MODE_CTL) & GL_PWR_MODE_CTL_CAR_MAX_BW_M) >> @@ -758,13 +758,7 @@ static enum ice_status ice_get_itr_intrl_gran(struct ice_hw *hw) hw->itr_gran = ICE_ITR_GRAN_MAX_25; hw->intrl_gran = ICE_INTRL_GRAN_MAX_25; break; - default: - ice_debug(hw, ICE_DBG_INIT, - "Failed to determine itr/intrl granularity\n"); - return ICE_ERR_CFG; } - - return ICE_SUCCESS; } /** @@ -795,9 +789,7 @@ enum ice_status ice_init_hw(struct ice_hw *hw) if (status) return status; - status = ice_get_itr_intrl_gran(hw); - if (status) - return status; + ice_get_itr_intrl_gran(hw); status = ice_init_all_ctrlq(hw); diff --git a/drivers/net/ice/base/ice_flex_pipe.c b/drivers/net/ice/base/ice_flex_pipe.c index 1dd121b28..525378079 100644 --- a/drivers/net/ice/base/ice_flex_pipe.c +++ b/drivers/net/ice/base/ice_flex_pipe.c @@ -4288,17 +4288,12 @@ ice_add_prof_to_lst(struct ice_hw *hw, enum ice_block blk, p->tcam_count = map->ptype_count; for (i = 0; i < map->ptype_count; i++) { - enum ice_status status; u8 ptg; p->tcam[i].prof_id = map->prof_id; p->tcam[i].tcam_idx = ICE_INVALID_TCAM; - status = ice_ptg_find_ptype(hw, blk, map->ptype[i], &ptg); - if (status) { - ice_free(hw, p); - return status; - } + ice_ptg_find_ptype(hw, blk, map->ptype[i], &ptg); p->tcam[i].ptg = ptg; }