diff options
Diffstat (limited to 'net/wireless/ethtool.c')
| -rw-r--r-- | net/wireless/ethtool.c | 17 |
1 files changed, 11 insertions, 6 deletions
diff --git a/net/wireless/ethtool.c b/net/wireless/ethtool.c index e9e91298c70d..46e4317cbd7e 100644 --- a/net/wireless/ethtool.c +++ b/net/wireless/ethtool.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 #include <linux/utsname.h> #include <net/cfg80211.h> #include "core.h" @@ -6,19 +7,23 @@ void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info) { struct wireless_dev *wdev = dev->ieee80211_ptr; + struct device *pdev = wiphy_dev(wdev->wiphy); - strlcpy(info->driver, wiphy_dev(wdev->wiphy)->driver->name, - sizeof(info->driver)); + if (pdev->driver) + strscpy(info->driver, pdev->driver->name, + sizeof(info->driver)); + else + strscpy(info->driver, "N/A", sizeof(info->driver)); - strlcpy(info->version, init_utsname()->release, sizeof(info->version)); + strscpy(info->version, init_utsname()->release, sizeof(info->version)); if (wdev->wiphy->fw_version[0]) - strlcpy(info->fw_version, wdev->wiphy->fw_version, + strscpy(info->fw_version, wdev->wiphy->fw_version, sizeof(info->fw_version)); else - strlcpy(info->fw_version, "N/A", sizeof(info->fw_version)); + strscpy(info->fw_version, "N/A", sizeof(info->fw_version)); - strlcpy(info->bus_info, dev_name(wiphy_dev(wdev->wiphy)), + strscpy(info->bus_info, dev_name(pdev), sizeof(info->bus_info)); } EXPORT_SYMBOL(cfg80211_get_drvinfo); |