From bcc87ef8516ef1f51b6b944fdb9bc40df9c28431 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon>
Date: Sun, 25 Oct 2009 18:47:44 +0000
Subject: [PATCH] bug-fix in the TCP_EVENT_RECV macro (has to call tcp_recved
 if pcb->recv is NULL to keep rcv_wnd correct)

---
 CHANGELOG              | 4 ++++
 src/include/lwip/tcp.h | 4 +++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/CHANGELOG b/CHANGELOG
index 448f2177..96afe5ea 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -43,6 +43,10 @@ HISTORY
 
   ++ Bugfixes:
 
+  2009-10-25: Simon Goldschmidt
+  * tcp.h: bug-fix in the TCP_EVENT_RECV macro (has to call tcp_recved if
+    pcb->recv is NULL to keep rcv_wnd correct)
+
   2009-10-25: Simon Goldschmidt
   * tcp_in.c: Fixed bug #26251: RST process in TIME_WAIT TCP state
 
diff --git a/src/include/lwip/tcp.h b/src/include/lwip/tcp.h
index 4b5823ff..694a16b8 100644
--- a/src/include/lwip/tcp.h
+++ b/src/include/lwip/tcp.h
@@ -489,8 +489,10 @@ err_t lwip_tcp_event(void *arg, struct tcp_pcb *pcb,
       (ret) = (pcb)->recv((pcb)->callback_arg,(pcb),(p),(err)); \
     } else {                                                    \
       (ret) = ERR_OK;                                           \
-      if (p != NULL)                                            \
+      if (p != NULL) {                                          \
+        tcp_recved((pcb), ((struct pbuf*)(p))->tot_len);        \
         pbuf_free(p);                                           \
+      }                                                         \
     }                                                           \
   } while (0)