From patchwork Tue Sep 25 06:23:43 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ajay Singh X-Patchwork-Id: 10613417 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-2.web.codeaurora.org (Postfix) with ESMTP id 4DB2716B1 for ; Tue, 25 Sep 2018 06:25:32 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 412F929859 for ; Tue, 25 Sep 2018 06:25:32 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 35B9D29867; Tue, 25 Sep 2018 06:25:32 +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 9CC5B29859 for ; Tue, 25 Sep 2018 06:25:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728302AbeIYMb3 (ORCPT ); Tue, 25 Sep 2018 08:31:29 -0400 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:12212 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727733AbeIYMb3 (ORCPT ); Tue, 25 Sep 2018 08:31:29 -0400 X-IronPort-AV: E=Sophos;i="5.54,301,1534834800"; d="scan'208";a="20543259" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/DHE-RSA-AES256-SHA; 24 Sep 2018 23:25:30 -0700 Received: from ajaysk-VirtualBox.microchip.com (10.10.76.4) by chn-sv-exch03.mchp-main.com (10.10.76.49) with Microsoft SMTP Server id 14.3.352.0; Mon, 24 Sep 2018 23:25:29 -0700 From: Ajay Singh To: CC: , , , , , , , Ajay Singh Subject: [PATCH v3 28/29] staging: wilc1000: refactor wilc_set_multicast_list() function Date: Tue, 25 Sep 2018 11:53:43 +0530 Message-ID: <1537856624-22157-29-git-send-email-ajay.kathat@microchip.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1537856624-22157-1-git-send-email-ajay.kathat@microchip.com> References: <1537856624-22157-1-git-send-email-ajay.kathat@microchip.com> 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 Refactor wilc_set_multicast_list() by making below changes: o use kmalloc_array o remove unnecessary res o add u8 *cur_mc o use i as index o use '%pM' extension in netdev_dbg() The below checkpatch issue is also resolved after code refactor. 'spaces preferred around that '/' (ctx:VxV)' Suggested-by: Joe Perches Signed-off-by: Ajay Singh --- drivers/staging/wilc1000/linux_wlan.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c index 695d5b2..3ac82a1 100644 --- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -799,9 +799,9 @@ static void wilc_set_multicast_list(struct net_device *dev) { struct netdev_hw_addr *ha; struct wilc_vif *vif = netdev_priv(dev); - int i = 0; + int i; u8 *mc_list; - int res; + u8 *cur_mc; if (dev->flags & IFF_PROMISC) return; @@ -817,20 +817,20 @@ static void wilc_set_multicast_list(struct net_device *dev) return; } - mc_list = kmalloc(dev->mc.count * ETH_ALEN, GFP_KERNEL); + mc_list = kmalloc_array(dev->mc.count, ETH_ALEN, GFP_KERNEL); if (!mc_list) return; + cur_mc = mc_list; + i = 0; netdev_for_each_mc_addr(ha, dev) { - memcpy(mc_list + i, ha->addr, ETH_ALEN); - netdev_dbg(dev, "Entry[%d]: %x:%x:%x:%x:%x:%x\n", i/ETH_ALEN, - mc_list[i], mc_list[i + 1], mc_list[i + 2], - mc_list[i + 3], mc_list[i + 4], mc_list[i + 5]); - i += ETH_ALEN; + memcpy(cur_mc, ha->addr, ETH_ALEN); + netdev_dbg(dev, "Entry[%d]: %pM\n", i, cur_mc); + i++; + cur_mc += ETH_ALEN; } - res = wilc_setup_multicast_filter(vif, true, dev->mc.count, mc_list); - if (res) + if (wilc_setup_multicast_filter(vif, true, dev->mc.count, mc_list)) kfree(mc_list); }