From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2CF9C282D7 for ; Sat, 2 Feb 2019 19:16:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id ABAB72082C for ; Sat, 2 Feb 2019 19:16:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=microchiptechnology.onmicrosoft.com header.i=@microchiptechnology.onmicrosoft.com header.b="pD3jhQED" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726774AbfBBTQ6 (ORCPT ); Sat, 2 Feb 2019 14:16:58 -0500 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:13826 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726486AbfBBTQ6 (ORCPT ); Sat, 2 Feb 2019 14:16:58 -0500 X-IronPort-AV: E=Sophos;i="5.56,553,1539673200"; d="scan'208";a="26232209" Received: from smtpout.microchip.com (HELO email.microchip.com) ([198.175.253.82]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES128-SHA; 02 Feb 2019 12:16:56 -0700 Received: from NAM03-DM3-obe.outbound.protection.outlook.com (10.10.215.89) by email.microchip.com (10.10.76.37) with Microsoft SMTP Server (TLS) id 14.3.352.0; Sat, 2 Feb 2019 12:16:55 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=microchiptechnology.onmicrosoft.com; s=selector1-microchiptechnology-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=QNs9VYXk7y9W0v+lcK6c/tNsdVQmMKZ1/PAvw+oPK/0=; b=pD3jhQED6JnrbfCca1GHiY8MH3iHzbj94sUkbMNNrErN0ndXzlCqVedWiFgp4yj67kftZzuVWTTCSivo5P6eH1gRw6nUz9m4K0LSLoTYZgUnEKA4ZiR5RicY7Nsze7scsHcY1WAUYqGVR8mRwA5PUIdW2K8fL2YSQOJDMXojuac= Received: from BYAPR11MB2567.namprd11.prod.outlook.com (52.135.226.160) by BYAPR11MB2998.namprd11.prod.outlook.com (20.177.224.159) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.1558.21; Sat, 2 Feb 2019 19:16:53 +0000 Received: from BYAPR11MB2567.namprd11.prod.outlook.com ([fe80::cc6d:bc31:d5b:a27d]) by BYAPR11MB2567.namprd11.prod.outlook.com ([fe80::cc6d:bc31:d5b:a27d%5]) with mapi id 15.20.1580.019; Sat, 2 Feb 2019 19:16:53 +0000 From: To: CC: , , , , Subject: [PATCH 01/15] staging: wilc1000: avoid the use of 'wilc_wfi_mon' static variable Thread-Topic: [PATCH 01/15] staging: wilc1000: avoid the use of 'wilc_wfi_mon' static variable Thread-Index: AQHUuyvbBxPjnJCw40CWpECh2AMjPQ== Date: Sat, 2 Feb 2019 19:16:53 +0000 Message-ID: <1549134974-5545-2-git-send-email-ajay.kathat@microchip.com> References: <1549134974-5545-1-git-send-email-ajay.kathat@microchip.com> In-Reply-To: <1549134974-5545-1-git-send-email-ajay.kathat@microchip.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: MA1PR0101CA0011.INDPRD01.PROD.OUTLOOK.COM (2603:1096:a00:21::21) To BYAPR11MB2567.namprd11.prod.outlook.com (2603:10b6:a02:c5::32) authentication-results: spf=none (sender IP is ) smtp.mailfrom=Ajay.Kathat@microchip.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.7.4 x-originating-ip: [49.205.218.11] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1;BYAPR11MB2998;6:yIn3o+fvLeY1y9AhvYxcfzrV4r3DlrGpjbjxoyP2UhFZz1VXbM4LKCM0MDxWwGHMYsmpVlRYmbjKShHG2T6fYvmBP+hPjR5wlY7ywMgYAzWV7lY7W78UuGli7rdkSmiIv1yI3QrVsG3mDlD5jhsMUD44hukN51Kffltlx/x//ML4IjTO3/20kRSODFJXJ8kEdzXKvYFgOXVYYTewpDI3N8dst/n7VGfBVOdr3nmaEeoqArEs6gtPrkC5aoH6kdKxDMDDbmvzo4xbsYKSsYG3MFjqdUYeywyQZo2gpBTAzeN6Rzds2s0rStM9B8RjqekgGTrW4A6OnEVQmlDKBSMLmMplwSm8q0A6UIsIrygbmmXdOe6NspYhKDw7W+JrdMktUpSwaE7wsbtcEFIV3i3dLJsp3E77k9Ajx8Cdjkq6o9wPReo2V/iIyyGpDCegQHWwmTr71WjhXd2aw8Taj3JS4A==;5:jijejbzigfTS7WnPP2JK/cev7Uz0JdEn7N+JNlWwTJ2MKfCzftqlA1QQsUkqmyoSb5DoATrr8P5OZNUTEY8gttXmfPp2q4cux9xZhSMEJyMFsaZKCMHSCNYvIrAcS+Z/ZnBelr6+4jmKCUZHSkP/Z1fsQKyMr56yS3+LrOVlemA8pFVlzaB9Eu6UaXiw+L8z1c1TLcWaeHuT7Hao/iNj/Q==;7:sxHf7AAdFr68H3rxeCMZ62VT30Zbn7htiEv/AHvL6Nb/7ypmtJmVlhTN0Hx/Y15lvLNVE6qnBNPlmqDDLJjvBCxI54DrShSC2TUU/NTu1T+z+hBAFGJn1NFRP8nHE/DxuTOSnA5yDUDZE6OH1jsnFA== x-ms-office365-filtering-correlation-id: f6aa99fc-f7cb-45e0-5223-08d68942fd8f x-microsoft-antispam: BCL:0;PCL:0;RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600110)(711020)(4605077)(2017052603328)(7153060)(7193020);SRVR:BYAPR11MB2998; x-ms-traffictypediagnostic: BYAPR11MB2998: x-microsoft-antispam-prvs: x-forefront-prvs: 09368DB063 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(136003)(396003)(376002)(366004)(346002)(39850400004)(189003)(199004)(25786009)(107886003)(105586002)(78486014)(36756003)(50226002)(2501003)(6916009)(66066001)(8936002)(3846002)(4326008)(305945005)(7736002)(71200400001)(71190400001)(8676002)(6116002)(54906003)(81166006)(316002)(446003)(81156014)(6436002)(6486002)(2906002)(2616005)(486006)(476003)(76176011)(256004)(99286004)(11346002)(14444005)(52116002)(53936002)(72206003)(478600001)(186003)(386003)(26005)(14454004)(106356001)(86362001)(5640700003)(97736004)(2351001)(68736007)(6506007)(102836004)(6512007);DIR:OUT;SFP:1101;SCL:1;SRVR:BYAPR11MB2998;H:BYAPR11MB2567.namprd11.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: microchip.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: C/zX9lysMzr8DrkTEoE6gILfWOlAVh6lRxDjF5cYbP9qqgcG5ihZ+vfUkUWmah5t0Ly7b/H6Fpfgtd5hsC1CSCaFJeI53zpOpxzKbIQVheEIHMFYMLl7z1po2Nuq/FWrNyavf5EQ/mwzyJHotHEGA+0QyrSCIrBZTytrK1YwnAPtMV3A1Rm9Eb9BWubILg5+LaSpuSd8qeLKdEpJMiY6irOBLW8ZkvDT41dpLt2WRsZC4iMX9d2E6kuFe5fP0rZmmu2yKbdYI39EaE5DVMoyo/ODPseC9XXzH3GR2TH6SE+aMzMC+2KYU/SN8y6mN7j6p6b2JJ1T9qp1C1VEcBC/lbQkm+px4Fpm75kvhN6+aQJcF6t/sXalQQ1FROofcWGqeA3YCQFMT/B34/KwUXIcB1c1mz5uMmKonuRxf2XPl0M= Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: f6aa99fc-f7cb-45e0-5223-08d68942fd8f X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Feb 2019 19:16:51.3104 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 3f4057f3-b418-4d4e-ba84-d55b4e897d88 X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR11MB2998 X-OriginatorOrg: microchip.com Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org From: Ajay Singh Avoid use of static variable for monitor net_device and move it inside wilc structure. Signed-off-by: Ajay Singh --- drivers/staging/wilc1000/linux_mon.c | 52 +++++++++++--------= ---- drivers/staging/wilc1000/linux_wlan.c | 4 +- drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | 3 +- drivers/staging/wilc1000/wilc_wfi_cfgoperations.h | 7 +-- drivers/staging/wilc1000/wilc_wfi_netdevice.h | 1 + 5 files changed, 34 insertions(+), 33 deletions(-) diff --git a/drivers/staging/wilc1000/linux_mon.c b/drivers/staging/wilc100= 0/linux_mon.c index a634468..ed06834 100644 --- a/drivers/staging/wilc1000/linux_mon.c +++ b/drivers/staging/wilc1000/linux_mon.c @@ -18,8 +18,6 @@ struct wilc_wfi_radiotap_cb_hdr { u16 tx_flags; } __packed; =20 -static struct net_device *wilc_wfi_mon; /* global monitor netdev */ - static u8 srcadd[6]; static u8 bssid[6]; =20 @@ -29,17 +27,17 @@ static u8 bssid[6]; #define TX_RADIOTAP_PRESENT ((1 << IEEE80211_RADIOTAP_RATE) | \ (1 << IEEE80211_RADIOTAP_TX_FLAGS)) =20 -void wilc_wfi_monitor_rx(u8 *buff, u32 size) +void wilc_wfi_monitor_rx(struct net_device *mon_dev, u8 *buff, u32 size) { u32 header, pkt_offset; struct sk_buff *skb =3D NULL; struct wilc_wfi_radiotap_hdr *hdr; struct wilc_wfi_radiotap_cb_hdr *cb_hdr; =20 - if (!wilc_wfi_mon) + if (!mon_dev) return; =20 - if (!netif_running(wilc_wfi_mon)) + if (!netif_running(mon_dev)) return; =20 /* Get WILC header */ @@ -94,7 +92,7 @@ void wilc_wfi_monitor_rx(u8 *buff, u32 size) hdr->rate =3D 5; } =20 - skb->dev =3D wilc_wfi_mon; + skb->dev =3D mon_dev; skb_reset_mac_header(skb); skb->ip_summed =3D CHECKSUM_UNNECESSARY; skb->pkt_type =3D PACKET_OTHERHOST; @@ -156,12 +154,10 @@ static netdev_tx_t wilc_wfi_mon_xmit(struct sk_buff *= skb, struct sk_buff *skb2; struct wilc_wfi_radiotap_cb_hdr *cb_hdr; =20 - if (!wilc_wfi_mon) - return -EFAULT; - - mon_priv =3D netdev_priv(wilc_wfi_mon); + mon_priv =3D netdev_priv(dev); if (!mon_priv) return -EFAULT; + rtap_len =3D ieee80211_get_radiotap_len(skb->data); if (skb->len < rtap_len) return -1; @@ -187,7 +183,7 @@ static netdev_tx_t wilc_wfi_mon_xmit(struct sk_buff *sk= b, cb_hdr->rate =3D 5; cb_hdr->tx_flags =3D 0x0004; =20 - skb2->dev =3D wilc_wfi_mon; + skb2->dev =3D dev; skb_reset_mac_header(skb2); skb2->ip_summed =3D CHECKSUM_UNNECESSARY; skb2->pkt_type =3D PACKET_OTHERHOST; @@ -223,51 +219,53 @@ static const struct net_device_ops wilc_wfi_netdev_op= s =3D { =20 }; =20 -struct net_device *wilc_wfi_init_mon_interface(const char *name, +struct net_device *wilc_wfi_init_mon_interface(struct wilc *wl, + const char *name, struct net_device *real_dev) { struct wilc_wfi_mon_priv *priv; =20 /*If monitor interface is already initialized, return it*/ - if (wilc_wfi_mon) - return wilc_wfi_mon; + if (wl->monitor_dev) + return wl->monitor_dev; =20 - wilc_wfi_mon =3D alloc_etherdev(sizeof(struct wilc_wfi_mon_priv)); - if (!wilc_wfi_mon) + wl->monitor_dev =3D alloc_etherdev(sizeof(struct wilc_wfi_mon_priv)); + if (!wl->monitor_dev) return NULL; - wilc_wfi_mon->type =3D ARPHRD_IEEE80211_RADIOTAP; - strncpy(wilc_wfi_mon->name, name, IFNAMSIZ); - wilc_wfi_mon->name[IFNAMSIZ - 1] =3D 0; - wilc_wfi_mon->netdev_ops =3D &wilc_wfi_netdev_ops; =20 - if (register_netdevice(wilc_wfi_mon)) { + wl->monitor_dev->type =3D ARPHRD_IEEE80211_RADIOTAP; + strncpy(wl->monitor_dev->name, name, IFNAMSIZ); + wl->monitor_dev->name[IFNAMSIZ - 1] =3D 0; + wl->monitor_dev->netdev_ops =3D &wilc_wfi_netdev_ops; + + if (register_netdevice(wl->monitor_dev)) { netdev_err(real_dev, "register_netdevice failed\n"); return NULL; } - priv =3D netdev_priv(wilc_wfi_mon); + priv =3D netdev_priv(wl->monitor_dev); if (!priv) return NULL; =20 priv->real_ndev =3D real_dev; =20 - return wilc_wfi_mon; + return wl->monitor_dev; } =20 -void wilc_wfi_deinit_mon_interface(void) +void wilc_wfi_deinit_mon_interface(struct wilc *wl) { bool rollback_lock =3D false; =20 - if (wilc_wfi_mon) { + if (wl->monitor_dev) { if (rtnl_is_locked()) { rtnl_unlock(); rollback_lock =3D true; } - unregister_netdev(wilc_wfi_mon); + unregister_netdev(wl->monitor_dev); =20 if (rollback_lock) { rtnl_lock(); rollback_lock =3D false; } - wilc_wfi_mon =3D NULL; + wl->monitor_dev =3D NULL; } } diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc10= 00/linux_wlan.c index 87ec048..1362d8f 100644 --- a/drivers/staging/wilc1000/linux_wlan.c +++ b/drivers/staging/wilc1000/linux_wlan.c @@ -920,7 +920,7 @@ static int wilc_mac_close(struct net_device *ndev) netdev_dbg(ndev, "Deinitializing wilc1000\n"); wl->close =3D 1; wilc_wlan_deinitialize(ndev); - wilc_wfi_deinit_mon_interface(); + wilc_wfi_deinit_mon_interface(wl); } =20 vif->mac_opened =3D 0; @@ -976,7 +976,7 @@ void wilc_wfi_mgmt_rx(struct wilc *wilc, u8 *buff, u32 = size) for (i =3D 0; i < wilc->vif_num; i++) { vif =3D netdev_priv(wilc->vif[i]->ndev); if (vif->monitor_flag) { - wilc_wfi_monitor_rx(buff, size); + wilc_wfi_monitor_rx(wilc->monitor_dev, buff, size); return; } } diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/st= aging/wilc1000/wilc_wfi_cfgoperations.c index 79753ad..cd3df42 100644 --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c @@ -1617,7 +1617,8 @@ static struct wireless_dev *add_virtual_intf(struct w= iphy *wiphy, struct net_device *new_ifc; =20 if (type =3D=3D NL80211_IFTYPE_MONITOR) { - new_ifc =3D wilc_wfi_init_mon_interface(name, vif->ndev); + new_ifc =3D wilc_wfi_init_mon_interface(vif->wilc, name, + vif->ndev); if (new_ifc) { vif =3D netdev_priv(priv->wdev->netdev); vif->monitor_flag =3D 1; diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h b/drivers/st= aging/wilc1000/wilc_wfi_cfgoperations.h index 4812c8e..31dfa1f 100644 --- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h +++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.h @@ -13,9 +13,10 @@ struct wireless_dev *wilc_create_wiphy(struct net_device= *net, void wilc_free_wiphy(struct net_device *net); void wilc_deinit_host_int(struct net_device *net); int wilc_init_host_int(struct net_device *net); -void wilc_wfi_monitor_rx(u8 *buff, u32 size); -void wilc_wfi_deinit_mon_interface(void); -struct net_device *wilc_wfi_init_mon_interface(const char *name, +void wilc_wfi_monitor_rx(struct net_device *mon_dev, u8 *buff, u32 size); +void wilc_wfi_deinit_mon_interface(struct wilc *wl); +struct net_device *wilc_wfi_init_mon_interface(struct wilc *wl, + const char *name, struct net_device *real_dev); void wilc_mgmt_frame_register(struct wiphy *wiphy, struct wireless_dev *wd= ev, u16 frame_type, bool reg); diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/stagin= g/wilc1000/wilc_wfi_netdevice.h index 59e8352..cc06ef9 100644 --- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h +++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h @@ -270,6 +270,7 @@ struct wilc { enum chip_ps_states chip_ps_state; struct wilc_cfg cfg; void *bus_data; + struct net_device *monitor_dev; }; =20 struct wilc_wfi_mon_priv { --=20 2.7.4