It looks likely that ssid is not NULL here, but better keep this
consistent with other uses of ssid pointer in this function.
wpa_msg(wpa_s->parent, MSG_INFO, P2P_EVENT_GROUP_STARTED
"%s GO ssid=\"%s\" freq=%d passphrase=\"%s\" "
"go_dev_addr=" MACSTR "%s",
- wpa_s->ifname, ssid_txt, ssid->frequency,
+ wpa_s->ifname, ssid_txt, ssid ? ssid->frequency : 0,
ssid && ssid->passphrase ? ssid->passphrase : "",
MAC2STR(go_dev_addr),
persistent ? " [PERSISTENT]" : "");