From 5b30a34aa4b5ea7a8202314c1d737ec4a481c127 Mon Sep 17 00:00:00 2001
From: Mateusz Grzonka <mateusz.grzonka@intel.com>
Date: Thu, 15 Jul 2021 12:25:23 +0200
Subject: [PATCH] Add error handling for chunk size in RAID1

Print error if chunk size is set as it is not supported.

Signed-off-by: Mateusz Grzonka <mateusz.grzonka@intel.com>
Signed-off-by: Jes Sorensen <jsorensen@fb.com>
---
 Create.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/Create.c b/Create.c
index 18b5e64..f5d57f8 100644
--- a/Create.c
+++ b/Create.c
@@ -254,9 +254,8 @@ int Create(struct supertype *st, char *mddev,
 	case LEVEL_MULTIPATH:
 	case LEVEL_CONTAINER:
 		if (s->chunk) {
-			s->chunk = 0;
-			if (c->verbose > 0)
-				pr_err("chunk size ignored for this level\n");
+			pr_err("specifying chunk size is forbidden for this level\n");
+			return 1;
 		}
 		break;
 	default: