From 103b5a760fd1c6320d71b70bca12777df0f8be9c Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon>
Date: Mon, 1 Mar 2010 19:05:52 +0000
Subject: [PATCH] tcp_connect: send timestamp-option only if (pcb->flags &
 TF_TIMESTAMP) != NULL (same as for passive open)

---
 src/core/tcp.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/core/tcp.c b/src/core/tcp.c
index c8ac2ad3..f86c704f 100644
--- a/src/core/tcp.c
+++ b/src/core/tcp.c
@@ -658,11 +658,13 @@ tcp_connect(struct tcp_pcb *pcb, ip_addr_t *ipaddr, u16_t port,
   pcb->connected = connected;
 #endif /* LWIP_CALLBACK_API */
 
+  /* Send a SYN together with the MSS option. */
   ret = tcp_enqueue(pcb, NULL, 0, TCP_SYN, 0, TF_SEG_OPTS_MSS
 #if LWIP_TCP_TIMESTAMPS
-                    | TF_SEG_OPTS_TS
-#endif
-                    );
+      /* and maybe include the TIMESTAMP option */
+     | (pcb->flags & TF_TIMESTAMP ? TF_SEG_OPTS_TS : 0)
+#endif /* LWIP_TCP_TIMESTAMPS */
+     );
   if (ret == ERR_OK) {
     /* SYN segment was enqueued, changed the pcbs state now */
     pcb->state = SYN_SENT;