Lines Matching refs:NULL

173   while (group != NULL) {
199   if (group != NULL) {
204     if (netif->igmp_mac_filter != NULL) {
226   struct igmp_group *prev  = NULL;
230   while (group != NULL) {
239       if (prev != NULL) {
243       if (netif->igmp_mac_filter != NULL) {
273   while (group != NULL) {
287  *         NULL if the group wasn't found.
294   while (group != NULL) {
301   /* to be clearer, we return NULL here instead of
302    * 'group' (which is also NULL at this point).
304   return NULL;
313  *         NULL on memory error.
322   if (group != NULL) {
329   if (group != NULL) {
365     for (tmpGroup = igmp_group_list; tmpGroup != NULL; tmpGroup = tmpGroup->next) {
372     if (tmpGroup == NULL)
472          if (group != NULL) {
527   while (netif != NULL) {
533       if (group != NULL) {
544           if ((group->use==0) && (netif->igmp_mac_filter != NULL)) {
597   while (netif != NULL) {
603       if (group != NULL) {
619           if (netif->igmp_mac_filter != NULL) {
659   while (group != NULL) {
728  * and calculates the IP header checksum. If the source IP address is NULL,
764   struct pbuf*     p    = NULL;
765   struct igmp_msg* igmp = NULL;
767   ip_addr_t*  dest = NULL;