From patchwork Mon Dec 30 18:15:00 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 3420351 Return-Path: X-Original-To: patchwork-linux-wireless@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id D82C3C02DC for ; Mon, 30 Dec 2013 17:23:20 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 005E1200F0 for ; Mon, 30 Dec 2013 17:23:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1BFE5200ED for ; Mon, 30 Dec 2013 17:23:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932073Ab3L3RTS (ORCPT ); Mon, 30 Dec 2013 12:19:18 -0500 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:37279 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756206Ab3L3RTG (ORCPT ); Mon, 30 Dec 2013 12:19:06 -0500 X-IronPort-AV: E=Sophos;i="4.95,574,1384297200"; d="scan'208";a="51019970" Received: from palace.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 30 Dec 2013 18:19:01 +0100 From: Julia Lawall To: Johannes Berg Cc: kernel-janitors@vger.kernel.org, Emmanuel Grumbach , Intel Linux Wireless , "John W. Linville" , linux-wireless@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 4/11] use ether_addr_equal_64bits Date: Mon, 30 Dec 2013 19:15:00 +0100 Message-Id: <1388427307-8691-5-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.7.8.6 In-Reply-To: <1388427307-8691-1-git-send-email-Julia.Lawall@lip6.fr> References: <1388427307-8691-1-git-send-email-Julia.Lawall@lip6.fr> Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org X-Spam-Status: No, score=-7.0 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Julia Lawall Ether_addr_equal_64bits is more efficient than ether_addr_equal, and can be used when each argument is an array within a structure that contains at least two bytes of data beyond the array. The structures involved are: iwl_rxon_cmd defined in drivers/net/wireless/iwlwifi/dvm/commands.h and ieee80211_hdr defined in include/linux/ieee80211.h This was done using Coccinelle (http://coccinelle.lip6.fr/). Signed-off-by: Julia Lawall --- The semantic patch used is rather long and can be found in message 0 of this patch series. drivers/net/wireless/iwlwifi/dvm/rx.c | 4 ++-- drivers/net/wireless/iwlwifi/dvm/rxon.c | 8 ++++---- 2 files changed, 6 insertions(+), 6 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/net/wireless/iwlwifi/dvm/rxon.c b/drivers/net/wireless/iwlwifi/dvm/rxon.c index d7ce2f1..0439dd5 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rxon.c +++ b/drivers/net/wireless/iwlwifi/dvm/rxon.c @@ -875,10 +875,10 @@ static int iwl_full_rxon_required(struct iwl_priv *priv, /* These items are only settable from the full RXON command */ CHK(!iwl_is_associated_ctx(ctx)); - CHK(!ether_addr_equal(staging->bssid_addr, active->bssid_addr)); - CHK(!ether_addr_equal(staging->node_addr, active->node_addr)); - CHK(!ether_addr_equal(staging->wlap_bssid_addr, - active->wlap_bssid_addr)); + CHK(!ether_addr_equal_64bits(staging->bssid_addr, active->bssid_addr)); + CHK(!ether_addr_equal_64bits(staging->node_addr, active->node_addr)); + CHK(!ether_addr_equal_64bits(staging->wlap_bssid_addr, + active->wlap_bssid_addr)); CHK_NEQ(staging->dev_type, active->dev_type); CHK_NEQ(staging->channel, active->channel); CHK_NEQ(staging->air_propagation, active->air_propagation); diff --git a/drivers/net/wireless/iwlwifi/dvm/rx.c b/drivers/net/wireless/iwlwifi/dvm/rx.c index d71776d..d18570b 100644 --- a/drivers/net/wireless/iwlwifi/dvm/rx.c +++ b/drivers/net/wireless/iwlwifi/dvm/rx.c @@ -780,8 +780,8 @@ static void iwlagn_pass_packet_to_mac80211(struct iwl_priv *priv, */ if (unlikely(ieee80211_is_beacon(fc) && priv->passive_no_rx)) { for_each_context(priv, ctx) { - if (!ether_addr_equal(hdr->addr3, - ctx->active.bssid_addr)) + if (!ether_addr_equal_64bits(hdr->addr3, + ctx->active.bssid_addr)) continue; iwlagn_lift_passive_no_rx(priv); }