- [ "$ieee80211r" -gt 0 ] && append wpa_key_mgmt "FT-${auth_type}"
- [ "$ieee80211w" -gt 0 ] && append wpa_key_mgmt "WPA-${auth_type}-SHA256"
+ [ "${ieee80211r:-0}" -gt 0 ] && append wpa_key_mgmt "FT-${auth_type}"
+ [ "${ieee80211w:-0}" -gt 0 ] && append wpa_key_mgmt "WPA-${auth_type}-SHA256"