Lines Matching refs:NULL

149   if (sc == NULL) {
150     *scptr = NULL;
174   struct pppoe_softc *sc, *prev = NULL;
176   for (sc = pppoe_softc_list; sc != NULL; prev = sc, sc = sc->next) {
187   if (prev == NULL) {
220     return NULL;
223   for (sc = pppoe_softc_list; sc != NULL; sc = sc->next) {
229         return NULL;
233   return NULL;
237  * or NULL if token is bogus. */
243   if (pppoe_softc_list == NULL) {
244     return NULL;
248     return NULL;
252   for (sc = pppoe_softc_list; sc != NULL; sc = sc->next) {
258   if (sc == NULL) {
260     return NULL;
267     return NULL;
272     return NULL;
306   err_msg = NULL;
314   ac_cookie = NULL;
317   hunique = NULL;
345   sc = NULL;
362         if (sc != NULL) {
370         if (sc != NULL) {
375         if (ac_cookie == NULL) {
431       if (sc == NULL) {
440         if (sc->sc_hunique == NULL) {
456       if (ac_cookie == NULL) {
462       if (sc == NULL) {
478         if (sc->sc_hunique == NULL) {
493       if (sc == NULL) {
495         if (pppoe_softc_list != NULL) {
518       if (sc == NULL) {
528       if (sc == NULL) {
553   if (pppoe_softc_list != NULL) {
603   if (sc == NULL) {
684   if (sc->sc_service_name != NULL) {
688   if (sc->sc_concentrator_name != NULL) {
708   if (sc->sc_service_name != NULL) {
718   if (sc->sc_concentrator_name != NULL) {
862     sc->sc_hunique = NULL;
904   if (sc->sc_service_name != NULL) {    /* service name tag maybe empty */
923   if (sc->sc_service_name != NULL) {
1026   if (sc->sc_service_name != NULL) {    /* service name tag maybe empty */
1038   if (sc->sc_service_name != NULL) {
1102     sc->sc_ethif = NULL;