diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/iwl-phy-db.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-phy-db.c | 80 |
1 files changed, 18 insertions, 62 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-phy-db.c b/drivers/net/wireless/intel/iwlwifi/iwl-phy-db.c index ae83cfdb750e..5378315d0179 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-phy-db.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-phy-db.c @@ -1,62 +1,8 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved. - * Copyright(c) 2016 Intel Deutschland GmbH - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * The full GNU General Public License is included in this distribution - * in the file called COPYING. - * - * Contact Information: - * Intel Linux Wireless <linuxwifi@intel.com> - * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 - * - * BSD LICENSE - * - * Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ - +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause +/* + * Copyright (C) 2005-2014, 2020 Intel Corporation + * Copyright (C) 2016 Intel Deutschland GmbH + */ #include <linux/slab.h> #include <linux/string.h> #include <linux/export.h> @@ -79,11 +25,11 @@ struct iwl_phy_db_entry { * * @cfg: phy configuration. * @calib_nch: non channel specific calibration data. - * @calib_ch: channel specific calibration data. * @n_group_papd: number of entries in papd channel group. * @calib_ch_group_papd: calibration data related to papd channel group. * @n_group_txp: number of entries in tx power channel group. * @calib_ch_group_txp: calibration data related to tx power chanel group. + * @trans: transport layer */ struct iwl_phy_db { struct iwl_phy_db_entry cfg; @@ -201,13 +147,23 @@ IWL_EXPORT_SYMBOL(iwl_phy_db_free); int iwl_phy_db_set_section(struct iwl_phy_db *phy_db, struct iwl_rx_packet *pkt) { + unsigned int pkt_len = iwl_rx_packet_payload_len(pkt); struct iwl_calib_res_notif_phy_db *phy_db_notif = (struct iwl_calib_res_notif_phy_db *)pkt->data; - enum iwl_phy_db_section_type type = le16_to_cpu(phy_db_notif->type); - u16 size = le16_to_cpu(phy_db_notif->length); + enum iwl_phy_db_section_type type; + u16 size; struct iwl_phy_db_entry *entry; u16 chg_id = 0; + if (pkt_len < sizeof(*phy_db_notif)) + return -EINVAL; + + type = le16_to_cpu(phy_db_notif->type); + size = le16_to_cpu(phy_db_notif->length); + + if (pkt_len < sizeof(*phy_db_notif) + size) + return -EINVAL; + if (!phy_db) return -EINVAL; |