From 540b527cf4c1c18cd1729f1bde4f40738573f794 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon@gmx.de>
Date: Fri, 24 Mar 2017 14:29:06 +0100
Subject: [PATCH] remove LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS config option (this
 is implicitly done via #ifdef LWIP_RAND)

---
 src/core/tcp.c         | 4 ++--
 src/core/udp.c         | 4 ++--
 src/include/lwip/opt.h | 9 ---------
 3 files changed, 4 insertions(+), 13 deletions(-)

diff --git a/src/core/tcp.c b/src/core/tcp.c
index c8e23186..e2d10ba1 100644
--- a/src/core/tcp.c
+++ b/src/core/tcp.c
@@ -144,9 +144,9 @@ static err_t tcp_close_shutdown_fin(struct tcp_pcb *pcb);
 void
 tcp_init(void)
 {
-#if LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS && defined(LWIP_RAND)
+#ifdef LWIP_RAND
   tcp_port = TCP_ENSURE_LOCAL_PORT_RANGE(LWIP_RAND());
-#endif /* LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS && defined(LWIP_RAND) */
+#endif /* LWIP_RAND */
 }
 
 /**
diff --git a/src/core/udp.c b/src/core/udp.c
index ec4b25f6..68c1d785 100644
--- a/src/core/udp.c
+++ b/src/core/udp.c
@@ -86,9 +86,9 @@ struct udp_pcb *udp_pcbs;
 void
 udp_init(void)
 {
-#if LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS && defined(LWIP_RAND)
+#ifdef LWIP_RAND
   udp_port = UDP_ENSURE_LOCAL_PORT_RANGE(LWIP_RAND());
-#endif /* LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS && defined(LWIP_RAND) */
+#endif /* LWIP_RAND */
 }
 
 /**
diff --git a/src/include/lwip/opt.h b/src/include/lwip/opt.h
index 83155a0c..c691a42a 100644
--- a/src/include/lwip/opt.h
+++ b/src/include/lwip/opt.h
@@ -748,15 +748,6 @@
 #if !defined IP_FORWARD_ALLOW_TX_ON_RX_NETIF || defined __DOXYGEN__
 #define IP_FORWARD_ALLOW_TX_ON_RX_NETIF 0
 #endif
-
-/**
- * LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS==1: randomize the local port for the first
- * local TCP/UDP pcb (default==0). This can prevent creating predictable port
- * numbers after booting a device.
- */
-#if !defined LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS || defined __DOXYGEN__
-#define LWIP_RANDOMIZE_INITIAL_LOCAL_PORTS 0
-#endif
 /**
  * @}
  */