From patchwork Fri May 26 01:41:49 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shawn Lin X-Patchwork-Id: 767192 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3wYpnW1WQyz9s86 for ; Fri, 26 May 2017 11:43:43 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946573AbdEZBnk (ORCPT ); Thu, 25 May 2017 21:43:40 -0400 Received: from lucky1.263xmail.com ([211.157.147.133]:48191 "EHLO lucky1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760863AbdEZBnj (ORCPT ); Thu, 25 May 2017 21:43:39 -0400 Received: from shawn.lin?rock-chips.com (unknown [192.168.167.229]) by lucky1.263xmail.com (Postfix) with ESMTP id B68DB8F557; Fri, 26 May 2017 09:43:31 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 1 X-MAIL-DELIVERY: 0 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id D05A83C4; Fri, 26 May 2017 09:43:30 +0800 (CST) X-RL-SENDER: shawn.lin@rock-chips.com X-FST-TO: amitkarwar@gmail.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: shawn.lin@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: lintao@rock-chips.com X-DNS-TYPE: 0 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith ESMTP id 1141512CW6L; Fri, 26 May 2017 09:43:31 +0800 (CST) From: Shawn Lin To: Amitkumar Karwar , Kalle Valo Cc: Xinming Hu , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, Shawn Lin Subject: [PATCH] mwifiex: simplify the code around ra_list Date: Fri, 26 May 2017 09:41:49 +0800 Message-Id: <1495762909-46795-1-git-send-email-shawn.lin@rock-chips.com> X-Mailer: git-send-email 1.9.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org We don't need to check if the list is empty separately as we could use list_first_entry_or_null to cover it. Signed-off-by: Shawn Lin Reviewed-by: Brian Norris --- drivers/net/wireless/marvell/mwifiex/tdls.c | 7 ++----- drivers/net/wireless/marvell/mwifiex/wmm.c | 8 ++------ 2 files changed, 4 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/marvell/mwifiex/tdls.c b/drivers/net/wireless/marvell/mwifiex/tdls.c index 7d0d3ff..d76ce87 100644 --- a/drivers/net/wireless/marvell/mwifiex/tdls.c +++ b/drivers/net/wireless/marvell/mwifiex/tdls.c @@ -55,11 +55,8 @@ static void mwifiex_restore_tdls_packets(struct mwifiex_private *priv, tx_info->flags |= MWIFIEX_BUF_FLAG_TDLS_PKT; } else { tid_list = &priv->wmm.tid_tbl_ptr[tid_down].ra_list; - if (!list_empty(tid_list)) - ra_list = list_first_entry(tid_list, - struct mwifiex_ra_list_tbl, list); - else - ra_list = NULL; + ra_list = list_first_entry_or_null(tid_list, + struct mwifiex_ra_list_tbl, list); tx_info->flags &= ~MWIFIEX_BUF_FLAG_TDLS_PKT; } diff --git a/drivers/net/wireless/marvell/mwifiex/wmm.c b/drivers/net/wireless/marvell/mwifiex/wmm.c index e4ff3b9..744b014 100644 --- a/drivers/net/wireless/marvell/mwifiex/wmm.c +++ b/drivers/net/wireless/marvell/mwifiex/wmm.c @@ -868,12 +868,8 @@ struct mwifiex_ra_list_tbl * return; default: list_head = priv->wmm.tid_tbl_ptr[tid_down].ra_list; - if (!list_empty(&list_head)) - ra_list = list_first_entry( - &list_head, struct mwifiex_ra_list_tbl, - list); - else - ra_list = NULL; + ra_list = list_first_entry_or_null(&list_head, + struct mwifiex_ra_list_tbl, list); break; } } else {