From patchwork Wed Jul 11 07:42:53 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Colin King X-Patchwork-Id: 10519029 X-Patchwork-Delegate: kvalo@adurom.com Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 5D5546028E for ; Wed, 11 Jul 2018 07:43:01 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 501B328756 for ; Wed, 11 Jul 2018 07:43:01 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 43FE028E7C; Wed, 11 Jul 2018 07:43:01 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B2F0E28756 for ; Wed, 11 Jul 2018 07:43:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732361AbeGKHpz (ORCPT ); Wed, 11 Jul 2018 03:45:55 -0400 Received: from youngberry.canonical.com ([91.189.89.112]:44077 "EHLO youngberry.canonical.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726280AbeGKHpy (ORCPT ); Wed, 11 Jul 2018 03:45:54 -0400 Received: from 1.general.cking.uk.vpn ([10.172.193.212] helo=localhost) by youngberry.canonical.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.76) (envelope-from ) id 1fd9m1-0003YO-Ml; Wed, 11 Jul 2018 07:42:53 +0000 From: Colin King To: Stanislaw Gruszka , Kalle Valo , "David S . Miller" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org Cc: kernel-janitors@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] iwlegacy: remove several redundant variables Date: Wed, 11 Jul 2018 08:42:53 +0100 Message-Id: <20180711074253.4192-1-colin.king@canonical.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Colin Ian King Variables id, unicast, write, conf, a_band, accum_tx and ucode are assigned a value but it is never read, hence they are redundant and can be removed. Cleans up clang warnings: warning: variable 'id' set but not used [-Wunused-but-set-variable] warning: variable 'unicast' set but not used [-Wunused-but-set-variable] warning: variable 'write' set but not used [-Wunused-but-set-variable] warning: variable 'conf' set but not used [-Wunused-but-set-variable] warning: variable 'a_band' set but not used [-Wunused-but-set-variable] warning: variable 'tx' set but not used [-Wunused-but-set-variable] warning: variable 'accum_tx' set but not used [-Wunused-but-set-variable] warning: variable 'ucode' set but not used [-Wunused-but-set-variable] Signed-off-by: Colin Ian King Acked-by: Stanislaw Gruszka --- drivers/net/wireless/intel/iwlegacy/3945-mac.c | 10 ---------- drivers/net/wireless/intel/iwlegacy/3945.c | 2 -- drivers/net/wireless/intel/iwlegacy/4965-mac.c | 6 ------ 3 files changed, 18 deletions(-) diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c index 62a9794f952b..57e3b6cca234 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c @@ -476,8 +476,6 @@ il3945_tx_skb(struct il_priv *il, int txq_id = skb_get_queue_mapping(skb); u16 len, idx, hdr_len; u16 firstlen, secondlen; - u8 id; - u8 unicast; u8 sta_id; u8 tid = 0; __le16 fc; @@ -496,9 +494,6 @@ il3945_tx_skb(struct il_priv *il, goto drop_unlock; } - unicast = !is_multicast_ether_addr(hdr->addr1); - id = 0; - fc = hdr->frame_control; #ifdef CONFIG_IWLEGACY_DEBUG @@ -957,10 +952,8 @@ il3945_rx_queue_restock(struct il_priv *il) struct list_head *element; struct il_rx_buf *rxb; unsigned long flags; - int write; spin_lock_irqsave(&rxq->lock, flags); - write = rxq->write & ~0x7; while (il_rx_queue_space(rxq) > 0 && rxq->free_count) { /* Get next free Rx buffer, remove from free list */ element = rxq->rx_free.next; @@ -2725,7 +2718,6 @@ void il3945_post_associate(struct il_priv *il) { int rc = 0; - struct ieee80211_conf *conf = NULL; if (!il->vif || !il->is_open) return; @@ -2738,8 +2730,6 @@ il3945_post_associate(struct il_priv *il) il_scan_cancel_timeout(il, 200); - conf = &il->hw->conf; - il->staging.filter_flags &= ~RXON_FILTER_ASSOC_MSK; il3945_commit_rxon(il); diff --git a/drivers/net/wireless/intel/iwlegacy/3945.c b/drivers/net/wireless/intel/iwlegacy/3945.c index dbf164d48ed3..3e568ce2fb20 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945.c +++ b/drivers/net/wireless/intel/iwlegacy/3945.c @@ -1634,7 +1634,6 @@ il3945_hw_reg_set_txpower(struct il_priv *il, s8 power) { struct il_channel_info *ch_info; s8 max_power; - u8 a_band; u8 i; if (il->tx_power_user_lmt == power) { @@ -1650,7 +1649,6 @@ il3945_hw_reg_set_txpower(struct il_priv *il, s8 power) for (i = 0; i < il->channel_count; i++) { ch_info = &il->channel_info[i]; - a_band = il_is_channel_a_band(ch_info); /* find minimum power of all user and regulatory constraints * (does not consider h/w clipping limitations) */ diff --git a/drivers/net/wireless/intel/iwlegacy/4965-mac.c b/drivers/net/wireless/intel/iwlegacy/4965-mac.c index 562e94870a9c..280cd8ae1696 100644 --- a/drivers/net/wireless/intel/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/intel/iwlegacy/4965-mac.c @@ -1338,15 +1338,12 @@ il4965_accumulative_stats(struct il_priv *il, __le32 * stats) u32 *accum_stats; u32 *delta, *max_delta; struct stats_general_common *general, *accum_general; - struct stats_tx *tx, *accum_tx; prev_stats = (__le32 *) &il->_4965.stats; accum_stats = (u32 *) &il->_4965.accum_stats; size = sizeof(struct il_notif_stats); general = &il->_4965.stats.general.common; accum_general = &il->_4965.accum_stats.general.common; - tx = &il->_4965.stats.tx; - accum_tx = &il->_4965.accum_stats.tx; delta = (u32 *) &il->_4965.delta_stats; max_delta = (u32 *) &il->_4965.max_delta; @@ -4784,7 +4781,6 @@ static void il4965_ucode_callback(const struct firmware *ucode_raw, void *context) { struct il_priv *il = context; - struct il_ucode_header *ucode; int err; struct il4965_firmware_pieces pieces; const unsigned int api_max = il->cfg->ucode_api_max; @@ -4814,8 +4810,6 @@ il4965_ucode_callback(const struct firmware *ucode_raw, void *context) } /* Data from ucode file: header followed by uCode images */ - ucode = (struct il_ucode_header *)ucode_raw->data; - err = il4965_load_firmware(il, ucode_raw, &pieces); if (err)