From 7742b05d8cc5976c27c365c517699b403944b3b1 Mon Sep 17 00:00:00 2001
From: Adam Dunkels <adam@thingsquare.com>
Date: Sun, 17 Mar 2013 23:49:32 +0100
Subject: [PATCH] Major bugfix: when nullrdc is asked to send a list of
 packets, send the list of packets and not just the first packet - this is
 essential for retransmissions of fragmented IP packets to work

---
 core/net/mac/nullrdc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/core/net/mac/nullrdc.c b/core/net/mac/nullrdc.c
index 1ba5d939b..9321c3ede 100644
--- a/core/net/mac/nullrdc.c
+++ b/core/net/mac/nullrdc.c
@@ -208,9 +208,10 @@ send_packet(mac_callback_t sent, void *ptr)
 static void
 send_list(mac_callback_t sent, void *ptr, struct rdc_buf_list *buf_list)
 {
-  if(buf_list != NULL) {
+  while(buf_list != NULL) {
     queuebuf_to_packetbuf(buf_list->buf);
     send_packet(sent, ptr);
+    buf_list = buf_list->next;
   }
 }
 /*---------------------------------------------------------------------------*/