Lines Matching refs:NULL

122   LWIP_ASSERT("netif != NULL", (netif != NULL));
123   LWIP_ASSERT("netif->state != NULL", (netif->state != NULL));
124   LWIP_ASSERT("p != NULL", (p != NULL));
135   for (q = p; q != NULL; q = q->next) {
166  *        return a complete packet, NULL is returned before - used for polling)
175   LWIP_ASSERT("netif != NULL", (netif != NULL));
176   LWIP_ASSERT("netif->state != NULL", (netif->state != NULL));
193         priv->p = priv->q = NULL;
197       return NULL;
200       return NULL;
219   if (priv->p == NULL) {
224     if (priv->p == NULL) {
228       return NULL;
231     if (priv->q != NULL) {
241   if ((priv->p != NULL) && (priv->recved <= SLIP_MAX_SIZE)) {
248       if (priv->p->next != NULL && priv->p->next->len > 0) {
252         /* p is a single pbuf, set it to NULL so next time a new
254           priv->p = NULL;
258   return NULL;
271   if (p != NULL) {
313  *       (0 by default). If netif->state is != NULL, it is interpreted as an
338   if (netif->state != NULL) {
352   priv->p = NULL;
353   priv->q = NULL;
358   priv->rxpackets = NULL;
385   LWIP_ASSERT("netif != NULL", (netif != NULL));
386   LWIP_ASSERT("netif->state != NULL", (netif->state != NULL));
407   LWIP_ASSERT("netif != NULL", (netif != NULL));
408   LWIP_ASSERT("netif->state != NULL", (netif->state != NULL));
413   while (priv->rxpackets != NULL) {
418     while ((q->len != q->tot_len) && (q->next != NULL)) {
422     q->next = NULL;
424     priv->rxpackets = NULL;
447   if (p != NULL) {
449     if (priv->rxpackets != NULL) {
453       while(q->next != NULL) {
481   LWIP_ASSERT("netif != NULL", (netif != NULL));
482   LWIP_ASSERT("netif->state != NULL", (netif->state != NULL));
501   LWIP_ASSERT("netif != NULL", (netif != NULL));
502   LWIP_ASSERT("netif->state != NULL", (netif->state != NULL));