src/core/netif.c

597             struct pbuf *in_end = in;
608             while (in_end->len != in_end->tot_len) {
610                             in_end->next != NULL);
611                 in_end = in_end->next;
613             /* 'in_end' now points to the last pbuf from 'in' */
614             if (in_end == netif->loop_last) {
619                 netif->loop_first = in_end->next;
624             in_end->next = NULL;