From 819c158866f466075a1c719f0dc496deb2fb3814 Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Tue, 1 Nov 2011 14:56:28 +1100
Subject: [PATCH] mdmon(): Error out if failing to connect to victim monitor

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>
---
 mdmon.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/mdmon.c b/mdmon.c
index ee68e3c..bdcda0e 100644
--- a/mdmon.c
+++ b/mdmon.c
@@ -457,8 +457,14 @@ static int mdmon(char *devname, int devnum, int must_fork, int takeover)
 	sigaction(SIGPIPE, &act, NULL);
 
 	victim = mdmon_pid(container->devnum);
-	if (victim >= 0)
+	if (victim >= 0) {
 		victim_sock = connect_monitor(container->devname);
+		if (victim_sock < 0) {
+			fprintf(stderr, "mdmon: %s unable to connect monitor\n",
+				container->devname);
+			exit(3);
+		}
+	}
 
 	ignore = chdir("/");
 	if (!takeover && victim > 0 && victim_sock >= 0) {