From d36306e30b369e75de5ac211a7cf738a72b10b64 Mon Sep 17 00:00:00 2001
From: goldsimon <goldsimon@gmx.de>
Date: Thu, 4 May 2017 15:49:12 +0200
Subject: [PATCH] sntp_process: fixed unused variable if sub-second time info
 is not used

---
 src/apps/sntp/sntp.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/apps/sntp/sntp.c b/src/apps/sntp/sntp.c
index 0b5a5ae6..edbeff1a 100644
--- a/src/apps/sntp/sntp.c
+++ b/src/apps/sntp/sntp.c
@@ -318,6 +318,7 @@ sntp_process(const struct sntp_timestamps *timestamps)
 #endif /* SNTP_COMP_ROUNDTRIP */
 
   SNTP_SET_SYSTEM_TIME_NTP(sec, frac);
+  LWIP_UNUSED_ARG(frac); /* might be unused if only seconds are set */
   LWIP_DEBUGF(SNTP_DEBUG_TRACE, ("sntp_process: %s, %" U32_F " us\n",
                                  sntp_format_time(sec), SNTP_FRAC_TO_US(frac)));
 }