ISCSI_OBP_MAX_CHAP_USER_LEN
ISCSI_OBP_MAX_CHAP_USER_LEN, &chap_user_len, &status);
chap_user_len > ISCSI_OBP_MAX_CHAP_USER_LEN ||
char chap_user[ISCSI_OBP_MAX_CHAP_USER_LEN] = {0};