diff options
Diffstat (limited to 'drivers/net/wireless/ti/wlcore/boot.c')
| -rw-r--r-- | drivers/net/wireless/ti/wlcore/boot.c | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/drivers/net/wireless/ti/wlcore/boot.c b/drivers/net/wireless/ti/wlcore/boot.c index f00509ea8aca..f481c2e3dbc8 100644 --- a/drivers/net/wireless/ti/wlcore/boot.c +++ b/drivers/net/wireless/ti/wlcore/boot.c @@ -1,24 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * This file is part of wl1271 * * Copyright (C) 2008-2010 Nokia Corporation * * Contact: Luciano Coelho <luciano.coelho@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * */ #include <linux/slab.h> @@ -55,12 +41,9 @@ static int wlcore_boot_parse_fw_ver(struct wl1271 *wl, { int ret; - strncpy(wl->chip.fw_ver_str, static_data->fw_version, + strscpy(wl->chip.fw_ver_str, static_data->fw_version, sizeof(wl->chip.fw_ver_str)); - /* make sure the string is NULL-terminated */ - wl->chip.fw_ver_str[sizeof(wl->chip.fw_ver_str) - 1] = '\0'; - ret = sscanf(wl->chip.fw_ver_str + 4, "%u.%u.%u.%u.%u", &wl->chip.fw_ver[0], &wl->chip.fw_ver[1], &wl->chip.fw_ver[2], &wl->chip.fw_ver[3], @@ -86,6 +69,7 @@ static int wlcore_validate_fw_ver(struct wl1271 *wl) unsigned int *min_ver = (wl->fw_type == WL12XX_FW_TYPE_MULTI) ? wl->min_mr_fw_ver : wl->min_sr_fw_ver; char min_fw_str[32] = ""; + int off = 0; int i; /* the chip must be exactly equal */ @@ -119,13 +103,15 @@ static int wlcore_validate_fw_ver(struct wl1271 *wl) return 0; fail: - for (i = 0; i < NUM_FW_VER; i++) + for (i = 0; i < NUM_FW_VER && off < sizeof(min_fw_str); i++) if (min_ver[i] == WLCORE_FW_VER_IGNORE) - snprintf(min_fw_str, sizeof(min_fw_str), - "%s*.", min_fw_str); + off += snprintf(min_fw_str + off, + sizeof(min_fw_str) - off, + "*."); else - snprintf(min_fw_str, sizeof(min_fw_str), - "%s%u.", min_fw_str, min_ver[i]); + off += snprintf(min_fw_str + off, + sizeof(min_fw_str) - off, + "%u.", min_ver[i]); wl1271_error("Your WiFi FW version (%u.%u.%u.%u.%u) is invalid.\n" "Please use at least FW %s\n" |