[PATCH] Fix a Coverity issue

[Volker Lendecke]

Hi!

Review appreciated!

Thanks, Volker

-- 
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From deb9c6ede9bf441315b70eb5bc03e774fd4f10ef Mon Sep 17 00:00:00 2001
From: Volker Lendecke <vl at samba.org>
Date: Tue, 5 Sep 2017 13:17:54 +0200
Subject: [PATCH] lib: Fix 1417431 Unchecked return value from library

Signed-off-by: Volker Lendecke <vl at samba.org>
---
 lib/pthreadpool/tests.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/lib/pthreadpool/tests.c b/lib/pthreadpool/tests.c
index 999118286eb..1aab80c2bb4 100644
--- a/lib/pthreadpool/tests.c
+++ b/lib/pthreadpool/tests.c
@@ -232,7 +232,11 @@ static int test_busyfork(void)
 		return -1;
 	}
 
-	poll(NULL, 0, 200);
+	ret = poll(NULL, 0, 200);
+	if (ret == -1) {
+		perror("poll failed");
+		return -1;
+	}
 
 	child = fork();
 	if (child < 0) {
@@ -278,7 +282,11 @@ static int test_busyfork(void)
 		return -1;
 	}
 
-	poll(NULL, 0, 200);
+	ret = poll(NULL, 0, 200);
+	if (ret == -1) {
+		perror("poll failed");
+		return -1;
+	}
 
 	waitret = waitpid(child, &wstatus, WNOHANG);
 	if (waitret != child) {
-- 
2.11.0