From 19f3f4462c52eaa766ab76ce671921f0e4dc4ebd Mon Sep 17 00:00:00 2001
From: Guus Sliepen <guus@sliepen.org>
Date: Thu, 31 Oct 2019 20:41:04 +0100
Subject: [PATCH] Avoid a compiler warning when compiling with -DNDEBUG.

---
 utcp.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/utcp.c b/utcp.c
index 802d95a..c57a5cc 100644
--- a/utcp.c
+++ b/utcp.c
@@ -1314,8 +1314,10 @@ synack:
 
 		assert(data_acked >= 0);
 
+#ifndef NDEBUG
 		int32_t bufused = seqdiff(c->snd.last, c->snd.una);
 		assert(data_acked <= bufused);
+#endif
 
 		if(data_acked) {
 			buffer_get(&c->sndbuf, NULL, data_acked);
-- 
2.39.2