[PATCH v2 2/3] net: wireless: move from strlcpy with unused retval to strscpy
From: Wolfram Sang <wsa+renesas@sang-engineering.com>
Date: 2022-08-30 20:15:26
Also in:
linux-wireless, lkml
Subsystem:
atheros ath generic utilities, atheros ath6kl wireless driver, b43 wireless driver, b43legacy wireless driver, broadcom brcm80211 ieee802.11 wireless drivers, carl9170 linux community wireless driver, intel pro/wireless 2100, 2200bg, 2915abg network connection support, intel wireless 3945abg/bg, 4965agn (iwlegacy), marvell libertas wireless driver, microchip wilc1000 wifi driver, networking drivers (wireless), p54 wireless driver, quantenna qtnfmac wireless driver, rtl8187 wireless driver, the rest, wilocity wil6210 wireless driver · Maintainers:
Jeff Johnson, Arend van Spriel, Christian Lamparter, Stanislav Yakovlev, Stanislaw Gruszka, Ajay Singh, Claudiu Beznea, Johannes Berg, Igor Mitsyanko, Hin-Tak Leung, Linus Torvalds
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@mail.gmail.com/ (local) Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> --- Changes since v1: * split into smaller patches drivers/net/wireless/ath/ath6kl/init.c | 2 +- drivers/net/wireless/ath/carl9170/fw.c | 2 +- drivers/net/wireless/ath/wil6210/main.c | 2 +- drivers/net/wireless/ath/wil6210/netdev.c | 2 +- drivers/net/wireless/ath/wil6210/wmi.c | 2 +- drivers/net/wireless/atmel/atmel.c | 2 +- drivers/net/wireless/broadcom/b43/leds.c | 2 +- drivers/net/wireless/broadcom/b43legacy/leds.c | 2 +- drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c | 8 ++++---- drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c | 8 ++++---- .../net/wireless/broadcom/brcm80211/brcmfmac/firmware.c | 2 +- .../net/wireless/broadcom/brcm80211/brcmfmac/fwsignal.c | 2 +- drivers/net/wireless/intel/ipw2x00/ipw2100.c | 6 +++--- drivers/net/wireless/intel/ipw2x00/ipw2200.c | 6 +++--- drivers/net/wireless/intel/iwlegacy/3945-mac.c | 2 +- drivers/net/wireless/intersil/hostap/hostap_ioctl.c | 2 +- drivers/net/wireless/marvell/libertas/ethtool.c | 4 ++-- drivers/net/wireless/microchip/wilc1000/mon.c | 2 +- drivers/net/wireless/quantenna/qtnfmac/cfg80211.c | 2 +- drivers/net/wireless/quantenna/qtnfmac/commands.c | 2 +- drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c | 2 +- drivers/net/wireless/wl3501_cs.c | 8 ++++---- 22 files changed, 36 insertions(+), 36 deletions(-)
diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index 9b5c7d8f2b95..201e45554070 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 1ab09e1c9ec5..4c1aecd1163c 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 7da87c9f363f..94e61dbe94f8 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 87a88f26233e..e76b38ad1d44 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 ea7bd403e706..6a5976a2944c 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 0361c8eb2008..45d079b93384 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 982a772a9d87..bfe1be345844 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 38b5be3a84e2..79e6fd205bfb 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 7485e784be2a..372deeb69477 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c@@ -261,7 +261,7 @@ 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);
@@ -314,7 +314,7 @@ 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));
@@ -424,11 +424,11 @@ 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 bd164a0821f9..5516f7dc10c1 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c@@ -561,10 +561,10 @@ 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 b8379e4034a4..15e99d8865bd 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/firmware.c@@ -769,7 +769,7 @@ 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 d58525ebe618..a3d5030f6fe0 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 5234511dac78..ac36c899134e 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 029dacebe751..5b483de18c81 100644
--- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c@@ -10424,8 +10424,8 @@ 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);
@@ -10434,7 +10434,7 @@ 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 846138d6e33d..7352d5b2095f 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 0a376f112db9..4e0a0c881697 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 d8e4f29b690d..9f53308a9935 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 b5a1b65c087c..03b7229a0ff5 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 1593e810b3ca..b71ed42188fc 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/cfg80211.c@@ -1223,7 +1223,7 @@ 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 0fad53693292..b1b73478d89b 100644
--- a/drivers/net/wireless/quantenna/qtnfmac/commands.c
+++ b/drivers/net/wireless/quantenna/qtnfmac/commands.c@@ -967,7 +967,7 @@ 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 49421d10e22b..f7d95c9624a0 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 dad38fc04243..1b532e00a56f 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);
--
2.35.1