From 952437b1bdbe000c217836c4ecd59406e92146d7 Mon Sep 17 00:00:00 2001
From: Martin Schwenke <martin@meltin.net>
Date: Wed, 29 May 2019 19:11:51 +1000
Subject: [PATCH] ctdb-utils: Fix CID 1125558 (Unchecked return value from
 library)

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Wed Jun  5 12:09:56 UTC 2019 on sn-devel-184
---
 ctdb/utils/ping_pong/ping_pong.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/ctdb/utils/ping_pong/ping_pong.c b/ctdb/utils/ping_pong/ping_pong.c
index 1f2bad5516b..2b337faaf55 100644
--- a/ctdb/utils/ping_pong/ping_pong.c
+++ b/ctdb/utils/ping_pong/ping_pong.c
@@ -150,7 +150,13 @@ static void ping_pong(int fd, int num_locks)
 
 	start_timer();
 
-	lock_range(fd, 0, 1, true);
+	ret = lock_range(fd, 0, 1, true);
+	if (ret != 0) {
+		printf("initial lock at 0 failed! - %s\n", strerror(errno));
+		free(val);
+		return;
+	}
+
 	i = 0;
 
 	while (1) {
-- 
2.34.1