This is a note to let you know that I've just added the patch titled wifi: move from strlcpy with unused retval to strscpy to the 5.15-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: wifi-move-from-strlcpy-with-unused-retval-to-strscpy.patch and it can be found in the queue-5.15 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit b6a205272571445ac1ce647ffdd2feb1f1470724 Author: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> Date: Tue Aug 30 22:14:53 2022 +0200 wifi: move from strlcpy with unused retval to strscpy [ Upstream commit bf99f11df4de45fcba6f6c441b411a16bccaccf6 ] Follow the advice of the below link and prefer 'strscpy' in this subsystem. Conversion is 1:1 because the return value is not used. Generated by a coccinelle script. Link: https://lore.kernel.org/r/CAHk-=wgfRnXz0W3D37d01q3JFkr_i_uTL=V6A6G1oUZcprmknw@xxxxxxxxxxxxxx/ Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx> Link: https://lore.kernel.org/r/20220830201457.7984-2-wsa+renesas@xxxxxxxxxxxxxxxxxxxx Stable-dep-of: 391af06a02e7 ("wifi: wl3501_cs: Fix an error handling path in wl3501_probe()") Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c index 9b5c7d8f2b95e..201e455540706 100644 --- a/drivers/net/wireless/ath/ath6kl/init.c +++ b/drivers/net/wireless/ath/ath6kl/init.c @@ -1014,7 +1014,7 @@ static int ath6kl_fetch_fw_apin(struct ath6kl *ar, const char *name) switch (ie_id) { case ATH6KL_FW_IE_FW_VERSION: - strlcpy(ar->wiphy->fw_version, data, + strscpy(ar->wiphy->fw_version, data, min(sizeof(ar->wiphy->fw_version), ie_len+1)); ath6kl_dbg(ATH6KL_DBG_BOOT, diff --git a/drivers/net/wireless/ath/carl9170/fw.c b/drivers/net/wireless/ath/carl9170/fw.c index 1ab09e1c9ec57..4c1aecd1163ce 100644 --- a/drivers/net/wireless/ath/carl9170/fw.c +++ b/drivers/net/wireless/ath/carl9170/fw.c @@ -105,7 +105,7 @@ static void carl9170_fw_info(struct ar9170 *ar) CARL9170FW_GET_MONTH(fw_date), CARL9170FW_GET_DAY(fw_date)); - strlcpy(ar->hw->wiphy->fw_version, motd_desc->release, + strscpy(ar->hw->wiphy->fw_version, motd_desc->release, sizeof(ar->hw->wiphy->fw_version)); } } diff --git a/drivers/net/wireless/ath/wil6210/main.c b/drivers/net/wireless/ath/wil6210/main.c index 3ba5b2550a8c1..bb532c6866beb 100644 --- a/drivers/net/wireless/ath/wil6210/main.c +++ b/drivers/net/wireless/ath/wil6210/main.c @@ -1305,7 +1305,7 @@ void wil_get_board_file(struct wil6210_priv *wil, char *buf, size_t len) board_file = WIL_BOARD_FILE_NAME; } - strlcpy(buf, board_file, len); + strscpy(buf, board_file, len); } static int wil_get_bl_info(struct wil6210_priv *wil) diff --git a/drivers/net/wireless/ath/wil6210/netdev.c b/drivers/net/wireless/ath/wil6210/netdev.c index 0913f0bf60e79..960e97cedcdf2 100644 --- a/drivers/net/wireless/ath/wil6210/netdev.c +++ b/drivers/net/wireless/ath/wil6210/netdev.c @@ -445,7 +445,7 @@ int wil_if_add(struct wil6210_priv *wil) wil_dbg_misc(wil, "entered"); - strlcpy(wiphy->fw_version, wil->fw_version, sizeof(wiphy->fw_version)); + strscpy(wiphy->fw_version, wil->fw_version, sizeof(wiphy->fw_version)); rc = wiphy_register(wiphy); if (rc < 0) { diff --git a/drivers/net/wireless/ath/wil6210/wmi.c b/drivers/net/wireless/ath/wil6210/wmi.c index 2dc8406736f48..e3a94983faf1c 100644 --- a/drivers/net/wireless/ath/wil6210/wmi.c +++ b/drivers/net/wireless/ath/wil6210/wmi.c @@ -780,7 +780,7 @@ static void wmi_evt_ready(struct wil6210_vif *vif, int id, void *d, int len) return; /* FW load will fail after timeout */ } /* ignore MAC address, we already have it from the boot loader */ - strlcpy(wiphy->fw_version, wil->fw_version, sizeof(wiphy->fw_version)); + strscpy(wiphy->fw_version, wil->fw_version, sizeof(wiphy->fw_version)); if (len > offsetof(struct wmi_ready_event, rfc_read_calib_result)) { wil_dbg_wmi(wil, "rfc calibration result %d\n", diff --git a/drivers/net/wireless/atmel/atmel.c b/drivers/net/wireless/atmel/atmel.c index febce4e8b3dd3..2a40fda28a89b 100644 --- a/drivers/net/wireless/atmel/atmel.c +++ b/drivers/net/wireless/atmel/atmel.c @@ -1518,7 +1518,7 @@ struct net_device *init_atmel_card(unsigned short irq, unsigned long port, priv->firmware = NULL; priv->firmware_type = fw_type; if (firmware) /* module parameter */ - strlcpy(priv->firmware_id, firmware, sizeof(priv->firmware_id)); + strscpy(priv->firmware_id, firmware, sizeof(priv->firmware_id)); priv->bus_type = card_present ? BUS_TYPE_PCCARD : BUS_TYPE_PCI; priv->station_state = STATION_STATE_DOWN; priv->do_rx_crc = 0; diff --git a/drivers/net/wireless/broadcom/b43/leds.c b/drivers/net/wireless/broadcom/b43/leds.c index 982a772a9d879..bfe1be345844d 100644 --- a/drivers/net/wireless/broadcom/b43/leds.c +++ b/drivers/net/wireless/broadcom/b43/leds.c @@ -118,7 +118,7 @@ static int b43_register_led(struct b43_wldev *dev, struct b43_led *led, led->wl = dev->wl; led->index = led_index; led->activelow = activelow; - strlcpy(led->name, name, sizeof(led->name)); + strscpy(led->name, name, sizeof(led->name)); atomic_set(&led->state, 0); led->led_dev.name = led->name; diff --git a/drivers/net/wireless/broadcom/b43legacy/leds.c b/drivers/net/wireless/broadcom/b43legacy/leds.c index 38b5be3a84e2c..79e6fd205bfb7 100644 --- a/drivers/net/wireless/broadcom/b43legacy/leds.c +++ b/drivers/net/wireless/broadcom/b43legacy/leds.c @@ -88,7 +88,7 @@ static int b43legacy_register_led(struct b43legacy_wldev *dev, led->dev = dev; led->index = led_index; led->activelow = activelow; - strlcpy(led->name, name, sizeof(led->name)); + strscpy(led->name, name, sizeof(led->name)); led->led_dev.name = led->name; led->led_dev.default_trigger = default_trigger; diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c index f29de630908d7..a964f9f0c4435 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c @@ -219,7 +219,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp) &revinfo, sizeof(revinfo)); if (err < 0) { bphy_err(drvr, "retrieving revision info failed, %d\n", err); - strlcpy(ri->chipname, "UNKNOWN", sizeof(ri->chipname)); + strscpy(ri->chipname, "UNKNOWN", sizeof(ri->chipname)); } else { ri->vendorid = le32_to_cpu(revinfo.vendorid); ri->deviceid = le32_to_cpu(revinfo.deviceid); @@ -273,7 +273,7 @@ int brcmf_c_preinit_dcmds(struct brcmf_if *ifp) /* locate firmware version number for ethtool */ ptr = strrchr(buf, ' ') + 1; - strlcpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver)); + strscpy(ifp->drvr->fwver, ptr, sizeof(ifp->drvr->fwver)); /* Query for 'clmver' to get CLM version info from firmware */ memset(buf, 0, sizeof(buf)); @@ -385,11 +385,11 @@ static void brcmf_mp_attach(void) * if not set then if available use the platform data version. To make * sure it gets initialized at all, always copy the module param version */ - strlcpy(brcmf_mp_global.firmware_path, brcmf_firmware_path, + strscpy(brcmf_mp_global.firmware_path, brcmf_firmware_path, BRCMF_FW_ALTPATH_LEN); if ((brcmfmac_pdata) && (brcmfmac_pdata->fw_alternative_path) && (brcmf_mp_global.firmware_path[0] == '\0')) { - strlcpy(brcmf_mp_global.firmware_path, + strscpy(brcmf_mp_global.firmware_path, brcmfmac_pdata->fw_alternative_path, BRCMF_FW_ALTPATH_LEN); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c index f03fc6f1f8333..bdf1e494414bf 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c @@ -574,10 +574,10 @@ static void brcmf_ethtool_get_drvinfo(struct net_device *ndev, if (drvr->revinfo.result == 0) brcmu_dotrev_str(drvr->revinfo.driverrev, drev); - strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); - strlcpy(info->version, drev, sizeof(info->version)); - strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version)); - strlcpy(info->bus_info, dev_name(drvr->bus_if->dev), + strscpy(info->driver, KBUILD_MODNAME, sizeof(info->driver)); + strscpy(info->version, drev, sizeof(info->version)); + strscpy(info->fw_version, drvr->fwver, sizeof(info->fw_version)); + strscpy(info->bus_info, dev_name(drvr->bus_if->dev), sizeof(info->bus_info)); } diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c index c54d8722e755c..7b2911f49cce3 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c @@ -783,7 +783,7 @@ brcmf_fw_alloc_request(u32 chip, u32 chiprev, fwnames[j].path[0] = '\0'; /* check if firmware path is provided by module parameter */ if (brcmf_mp_global.firmware_path[0] != '\0') { - strlcpy(fwnames[j].path, mp_path, + strscpy(fwnames[j].path, mp_path, BRCMF_FW_NAME_LEN); if (end != '/') { diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c index 19b0f318f93ed..50b4da0e9e15d 100644 --- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c +++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c @@ -688,7 +688,7 @@ static void brcmf_fws_macdesc_set_name(struct brcmf_fws_info *fws, struct brcmf_fws_mac_descriptor *desc) { if (desc == &fws->desc.other) - strlcpy(desc->name, "MAC-OTHER", sizeof(desc->name)); + strscpy(desc->name, "MAC-OTHER", sizeof(desc->name)); else if (desc->mac_handle) scnprintf(desc->name, sizeof(desc->name), "MAC-%d:%d", desc->mac_handle, desc->interface_id); diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2100.c b/drivers/net/wireless/intel/ipw2x00/ipw2100.c index 47eb89b773cf7..4d5c1e142af11 100644 --- a/drivers/net/wireless/intel/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/intel/ipw2x00/ipw2100.c @@ -5907,8 +5907,8 @@ static void ipw_ethtool_get_drvinfo(struct net_device *dev, struct ipw2100_priv *priv = libipw_priv(dev); char fw_ver[64], ucode_ver[64]; - strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); + strscpy(info->driver, DRV_NAME, sizeof(info->driver)); + strscpy(info->version, DRV_VERSION, sizeof(info->version)); ipw2100_get_fwversion(priv, fw_ver, sizeof(fw_ver)); ipw2100_get_ucodeversion(priv, ucode_ver, sizeof(ucode_ver)); @@ -5916,7 +5916,7 @@ static void ipw_ethtool_get_drvinfo(struct net_device *dev, snprintf(info->fw_version, sizeof(info->fw_version), "%s:%d:%s", fw_ver, priv->eeprom_version, ucode_ver); - strlcpy(info->bus_info, pci_name(priv->pci_dev), + strscpy(info->bus_info, pci_name(priv->pci_dev), sizeof(info->bus_info)); } diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c index bb728fb24b8a4..706cd36a43055 100644 --- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c @@ -10427,8 +10427,8 @@ static void ipw_ethtool_get_drvinfo(struct net_device *dev, char date[32]; u32 len; - strlcpy(info->driver, DRV_NAME, sizeof(info->driver)); - strlcpy(info->version, DRV_VERSION, sizeof(info->version)); + strscpy(info->driver, DRV_NAME, sizeof(info->driver)); + strscpy(info->version, DRV_VERSION, sizeof(info->version)); len = sizeof(vers); ipw_get_ordinal(p, IPW_ORD_STAT_FW_VERSION, vers, &len); @@ -10437,7 +10437,7 @@ static void ipw_ethtool_get_drvinfo(struct net_device *dev, snprintf(info->fw_version, sizeof(info->fw_version), "%s (%s)", vers, date); - strlcpy(info->bus_info, pci_name(p->pci_dev), + strscpy(info->bus_info, pci_name(p->pci_dev), sizeof(info->bus_info)); } diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c index 04c149ff745e9..00fa3c80a46f6 100644 --- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c +++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c @@ -3254,7 +3254,7 @@ il3945_store_measurement(struct device *d, struct device_attribute *attr, if (count) { char *p = buffer; - strlcpy(buffer, buf, sizeof(buffer)); + strscpy(buffer, buf, sizeof(buffer)); channel = simple_strtoul(p, NULL, 0); if (channel) params.channel = channel; diff --git a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c index 0a376f112db9f..4e0a0c8816979 100644 --- a/drivers/net/wireless/intersil/hostap/hostap_ioctl.c +++ b/drivers/net/wireless/intersil/hostap/hostap_ioctl.c @@ -3848,7 +3848,7 @@ static void prism2_get_drvinfo(struct net_device *dev, iface = netdev_priv(dev); local = iface->local; - strlcpy(info->driver, "hostap", sizeof(info->driver)); + strscpy(info->driver, "hostap", sizeof(info->driver)); snprintf(info->fw_version, sizeof(info->fw_version), "%d.%d.%d", (local->sta_fw_ver >> 16) & 0xff, (local->sta_fw_ver >> 8) & 0xff, diff --git a/drivers/net/wireless/marvell/libertas/ethtool.c b/drivers/net/wireless/marvell/libertas/ethtool.c index d8e4f29b690d1..9f53308a99357 100644 --- a/drivers/net/wireless/marvell/libertas/ethtool.c +++ b/drivers/net/wireless/marvell/libertas/ethtool.c @@ -20,8 +20,8 @@ static void lbs_ethtool_get_drvinfo(struct net_device *dev, priv->fwrelease >> 16 & 0xff, priv->fwrelease >> 8 & 0xff, priv->fwrelease & 0xff); - strlcpy(info->driver, "libertas", sizeof(info->driver)); - strlcpy(info->version, lbs_driver_version, sizeof(info->version)); + strscpy(info->driver, "libertas", sizeof(info->driver)); + strscpy(info->version, lbs_driver_version, sizeof(info->version)); } /* diff --git a/drivers/net/wireless/microchip/wilc1000/mon.c b/drivers/net/wireless/microchip/wilc1000/mon.c index b5a1b65c087ca..03b7229a0ff5a 100644 --- a/drivers/net/wireless/microchip/wilc1000/mon.c +++ b/drivers/net/wireless/microchip/wilc1000/mon.c @@ -229,7 +229,7 @@ struct net_device *wilc_wfi_init_mon_interface(struct wilc *wl, return NULL; wl->monitor_dev->type = ARPHRD_IEEE80211_RADIOTAP; - strlcpy(wl->monitor_dev->name, name, IFNAMSIZ); + strscpy(wl->monitor_dev->name, name, IFNAMSIZ); wl->monitor_dev->netdev_ops = &wilc_wfi_netdev_ops; wl->monitor_dev->needs_free_netdev = true; diff --git a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c index 84b15a655eab1..45ef582880d2c 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c +++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c @@ -1221,7 +1221,7 @@ int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) mac->macinfo.extended_capabilities_len; } - strlcpy(wiphy->fw_version, hw_info->fw_version, + strscpy(wiphy->fw_version, hw_info->fw_version, sizeof(wiphy->fw_version)); wiphy->hw_version = hw_info->hw_version; diff --git a/drivers/net/wireless/quantenna/qtnfmac/commands.c b/drivers/net/wireless/quantenna/qtnfmac/commands.c index c68563c830981..e0ebe19ee2d8c 100644 --- a/drivers/net/wireless/quantenna/qtnfmac/commands.c +++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c @@ -965,7 +965,7 @@ qtnf_cmd_resp_proc_hw_info(struct qtnf_bus *bus, hwinfo->total_rx_chain, hwinfo->total_tx_chain, hwinfo->fw_ver); - strlcpy(hwinfo->fw_version, bld_label, sizeof(hwinfo->fw_version)); + strscpy(hwinfo->fw_version, bld_label, sizeof(hwinfo->fw_version)); hwinfo->hw_version = hw_ver; return 0; diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c b/drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c index 49421d10e22bc..f7d95c9624a01 100644 --- a/drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c +++ b/drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c @@ -143,7 +143,7 @@ static int rtl8187_register_led(struct ieee80211_hw *dev, led->dev = dev; led->ledpin = ledpin; led->is_radio = is_radio; - strlcpy(led->name, name, sizeof(led->name)); + strscpy(led->name, name, sizeof(led->name)); led->led_dev.name = led->name; led->led_dev.default_trigger = default_trigger; diff --git a/drivers/net/wireless/wl3501_cs.c b/drivers/net/wireless/wl3501_cs.c index 7351a2c127adc..7fb2f95134760 100644 --- a/drivers/net/wireless/wl3501_cs.c +++ b/drivers/net/wireless/wl3501_cs.c @@ -1441,7 +1441,7 @@ static void wl3501_detach(struct pcmcia_device *link) static int wl3501_get_name(struct net_device *dev, struct iw_request_info *info, union iwreq_data *wrqu, char *extra) { - strlcpy(wrqu->name, "IEEE 802.11-DS", sizeof(wrqu->name)); + strscpy(wrqu->name, "IEEE 802.11-DS", sizeof(wrqu->name)); return 0; } @@ -1652,7 +1652,7 @@ static int wl3501_set_nick(struct net_device *dev, struct iw_request_info *info, if (wrqu->data.length > sizeof(this->nick)) return -E2BIG; - strlcpy(this->nick, extra, wrqu->data.length); + strscpy(this->nick, extra, wrqu->data.length); return 0; } @@ -1661,7 +1661,7 @@ static int wl3501_get_nick(struct net_device *dev, struct iw_request_info *info, { struct wl3501_card *this = netdev_priv(dev); - strlcpy(extra, this->nick, 32); + strscpy(extra, this->nick, 32); wrqu->data.length = strlen(extra); return 0; } @@ -1965,7 +1965,7 @@ static int wl3501_config(struct pcmcia_device *link) this->firmware_date[0] = '\0'; this->rssi = 255; this->chan = iw_default_channel(this->reg_domain); - strlcpy(this->nick, "Planet WL3501", sizeof(this->nick)); + strscpy(this->nick, "Planet WL3501", sizeof(this->nick)); spin_lock_init(&this->lock); init_waitqueue_head(&this->wait); netif_start_queue(dev);