From bd70a4dc3750af82955f7ae298d47c3178cd5475 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Sun, 22 Sep 2019 12:32:02 +0200
Subject: [PATCH] bar: fix build failure with -Werror=unused-result

---
 bar/bar.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/bar/bar.c b/bar/bar.c
index 2a59e9a..3cd793b 100644
--- a/bar/bar.c
+++ b/bar/bar.c
@@ -239,7 +239,8 @@ run(struct bar *_bar)
 
     if (!bar->backend.iface->setup(_bar)) {
         bar->backend.iface->cleanup(_bar);
-        write(_bar->abort_fd, &(uint64_t){1}, sizeof(uint64_t));
+        if (write(_bar->abort_fd, &(uint64_t){1}, sizeof(uint64_t)) != sizeof(uint64_t))
+            LOG_ERRNO("failed to signal abort");
         return 1;
     }