From ab1f88c3b8e823ccaadb56b505f9306551a8ffb1 Mon Sep 17 00:00:00 2001
From: patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>
Date: Mon, 19 Nov 2007 23:35:42 +0000
Subject: [PATCH] Need to free any readahead buffers

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@388 42af7a65-404d-4744-a932-0658087f49c3
---
 net/uip/uip-tcpconn.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/net/uip/uip-tcpconn.c b/net/uip/uip-tcpconn.c
index edeb464eca..952db87742 100644
--- a/net/uip/uip-tcpconn.c
+++ b/net/uip/uip-tcpconn.c
@@ -284,6 +284,9 @@ struct uip_conn *uip_tcpalloc(void)
 
 void uip_tcpfree(struct uip_conn *conn)
 {
+#if CONFIG_NET_NTCP_READAHEAD_BUFFERS > 0
+  struct uip_readahead_s *readahead;
+#endif
   irqstate_t flags;
 
   /* Because g_free_tcp_connections is accessed from user level and interrupt
@@ -304,6 +307,15 @@ void uip_tcpfree(struct uip_conn *conn)
       dq_rem(&conn->node, &g_free_tcp_connections);
     }
 
+  /* Release any read-ahead buffers attached to the connection */
+
+#if CONFIG_NET_NTCP_READAHEAD_BUFFERS > 0
+  while ((readahead = (struct uip_readahead_s *)sq_remfirst(&conn->readahead)) != NULL)
+    {
+      uip_tcpreadaheadrelease(readahead);
+    }
+#endif
+
   /* Mark the connection available and put it into the free list */
 
   conn->tcpstateflags = UIP_CLOSED;