From 27c48b375d8fb6b4835fd9b11593c75d247ea1c1 Mon Sep 17 00:00:00 2001
From: Zhilong Liu <zlliu@suse.com>
Date: Mon, 20 Mar 2017 13:21:03 +0800
Subject: [RHEL7.5 PATCH 012/169] mdadm:it doesn't make sense to set
 --bitmap twice

mdadm.c: it doesn't make sense to set --bitmap twice.

Signed-off-by: Zhilong Liu <zlliu@suse.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@gmail.com>
---
 mdadm.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/mdadm.c b/mdadm.c
index d6ad8dc..08ddcab 100644
--- a/mdadm.c
+++ b/mdadm.c
@@ -1139,6 +1139,10 @@ int main(int argc, char *argv[])
 		case O(CREATE,Bitmap): /* here we create the bitmap */
 		case O(GROW,'b'):
 		case O(GROW,Bitmap):
+			if (s.bitmap_file) {
+				pr_err("bitmap cannot be set twice. Second value: %s.\n", optarg);
+				exit(2);
+			}
 			if (strcmp(optarg, "internal") == 0 ||
 			    strcmp(optarg, "none") == 0 ||
 			    strchr(optarg, '/') != NULL) {
-- 
2.7.4