From 10edba936b4086685e7382a6257d6a2e0f01ae84 Mon Sep 17 00:00:00 2001
From: Dirk Ziegelmeier <dirk@ziegelmeier.net>
Date: Fri, 19 Feb 2016 23:28:09 +0100
Subject: [PATCH] Fix tcp pcb access after it was freed in tcp.c - found by
 Coverity

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

diff --git a/src/core/tcp.c b/src/core/tcp.c
index 362b7e60..c6f0cb52 100644
--- a/src/core/tcp.c
+++ b/src/core/tcp.c
@@ -611,7 +611,7 @@ tcp_listen_dual_with_backlog(struct tcp_pcb *pcb, u8_t backlog)
 
   lpcb = tcp_listen_with_backlog(pcb, backlog);
   if ((lpcb != NULL) &&
-      ip_addr_isany(&pcb->local_ip)) {
+      ip_addr_isany(&lpcb->local_ip)) {
     /* The default behavior is to accept connections on either
      * IPv4 or IPv6, if not bound. */
     /* @see NETCONN_FLAG_IPV6_V6ONLY for changing this behavior */