446 	char *pathstr;  in get_mac80211_phydev()  local
452 	if (asprintf(&pathstr, "/sys/class/net/%s/phy80211", device) == -1) {  in get_mac80211_phydev()
458 	bytes_read = readlink(pathstr, phydev_path, phydev_max_pathlen);  in get_mac80211_phydev()
474 			free(pathstr);  in get_mac80211_phydev()
475 			if (asprintf(&pathstr, "/sys/class/net/%s", device) == -1) {  in get_mac80211_phydev()
481 			if (stat(pathstr, &statb) == -1) {  in get_mac80211_phydev()
488 					    device, pathstr);  in get_mac80211_phydev()
489 					free(pathstr);  in get_mac80211_phydev()
494 				    device, pathstr, strerror(errno));  in get_mac80211_phydev()
495 				free(pathstr);  in get_mac80211_phydev()
505 			free(pathstr);  in get_mac80211_phydev()
513 			free(pathstr);  in get_mac80211_phydev()
517 		    errno, "%s: Can't readlink %s", device, pathstr);  in get_mac80211_phydev()
518 		free(pathstr);  in get_mac80211_phydev()
521 	free(pathstr);  in get_mac80211_phydev()
1794 		char *pathstr;  in get_if_flags()  local
1796 		if (asprintf(&pathstr, "/sys/class/net/%s/type", name) == -1) {  in get_if_flags()
1803 		fh = fopen(pathstr, "r");  in get_if_flags()
1822 					free(pathstr);  in get_if_flags()
1847 		free(pathstr);  in get_if_flags()
1966 	char *pathstr;  in is_wifi()  local
1973 	if (asprintf(&pathstr, "/sys/class/net/%s/wireless", device) == -1) {  in is_wifi()
1979 	if (stat(pathstr, &statb) == 0) {  in is_wifi()
1980 		free(pathstr);  in is_wifi()
1983 	free(pathstr);  in is_wifi()
5721 	char *pathstr;  in iface_dsa_get_proto_info()  local
5734 	fd = asprintf(&pathstr, "/sys/class/net/%s/dsa/tagging", device);  in iface_dsa_get_proto_info()
5741 	fd = open(pathstr, O_RDONLY);  in iface_dsa_get_proto_info()
5742 	free(pathstr);  in iface_dsa_get_proto_info()