In case launching mdmon fails, print an error message before exiting

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 4 insertions, 1 deletions

diff --git a/util.c b/util.c
index 01af0b5e..8817a3e2 100644
--- a/util.c
+++ b/util.c
@@ -1709,8 +1709,11 @@ int start_mdmon(int devnum)
 		return -1;
 	default: /* parent - good */
 		pid = wait(&status);
-		if (pid < 0 || status != 0)
+		if (pid < 0 || status != 0) {
+			pr_err("failed to launch mdmon. "
+			       "Array remains readonly\n");
 			return -1;
+		}
 	}
 	return 0;
 }