[lwip-devel] [bug #27140] tcp/ip stack hang becouse remains a pbuf_free

[juan schiavoni]

Follow-up Comment #10, bug #27140 (project lwip):

Hi, tomorrow I will do the change for tcpip_input.


   /* if( ERR_OK != ethernet_input( p, netif ) )
    {
      pbuf_free(p);
      p = NULL;
    }
    */

    /* points to packet payload, which starts with an Ethernet header */
    ethhdr = p->payload;

    switch( htons( ethhdr->type ) )
    {
      /* IP or ARP packet? */
        case ETHTYPE_IP:
        case ETHTYPE_ARP:
#if PPPOE_SUPPORT
     /* PPPoE packet? */
        case ETHTYPE_PPPOEDISC:
        case ETHTYPE_PPPOE:
#endif /* PPPOE_SUPPORT */
    /* full packet send to tcpip_thread to process */
        if( netif->input( p, netif ) != ERR_OK )
        {
          LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input errorn"));
          pbuf_free(p);
          p = NULL;
        }
        break;

        default:
          pbuf_free(p);
         p = NULL;
        break;
    }

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