From c2a274cc5d01afdf40b87ceb0d59d4f7526b94d8 Mon Sep 17 00:00:00 2001
From: Evan Hunt <each@isc.org>
Date: Thu, 15 Nov 2018 12:54:11 -0800
Subject: [PATCH] silence "unused return value" warning

---
 lib/isc/mem.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/isc/mem.c b/lib/isc/mem.c
index 120760ee23..704bfcca06 100644
--- a/lib/isc/mem.c
+++ b/lib/isc/mem.c
@@ -734,8 +734,8 @@ default_memalloc(void *arg, size_t size) {
 
 	if (ptr == NULL && size != 0) {
 		char strbuf[ISC_STRERRORSIZE];
-		strerror_r(errno, strbuf, sizeof(strbuf));
-		isc_error_fatal(__FILE__, __LINE__, "malloc failed: %s", strbuf);
+		isc_error_fatal(__FILE__, __LINE__, "malloc failed: %s",
+				strerror_r(errno, strbuf, sizeof(strbuf)));
 	}
 
 	return (ptr);