From 8cd43a3dd9fc839be6a66da9cef8bdb271b2cc1d Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Fri, 9 Sep 2016 17:36:49 +0200
Subject: [PATCH] Documentation: Add one more note PCB is already freed in
 tcp_err callback.

---
 src/core/tcp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/core/tcp.c b/src/core/tcp.c
index 64eef699..50aa31f2 100644
--- a/src/core/tcp.c
+++ b/src/core/tcp.c
@@ -1681,6 +1681,8 @@ tcp_sent(struct tcp_pcb *pcb, tcp_sent_fn sent)
  * Used to specify the function that should be called when a fatal error
  * has occurred on the connection.
  *
+ * @note The corresponding pcb is already freed when this callback is called!
+ * 
  * @param pcb tcp_pcb to set the err callback
  * @param err callback function to call for this pcb when a fatal error
  *        has occurred on the connection