mdadm: Start update_opt from 0

Before f2e8393bd722 ('Manage&Incremental: code refactor, string to enum'), it uses
NULL to represent it doesn't need to update. So init UOPT_UNDEFINED to 0. This
problem is found by test case 05r6tor0.

Signed-off-by: Xiao Ni <xni@redhat.com>
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/mdadm.h b/mdadm.h
index b71d7b32..40818941 100644
--- a/mdadm.h
+++ b/mdadm.h
@@ -535,7 +535,8 @@ enum special_options {
 };
 
 enum update_opt {
-	UOPT_NAME = 1,
+	UOPT_UNDEFINED = 0,
+	UOPT_NAME,
 	UOPT_PPL,
 	UOPT_NO_PPL,
 	UOPT_BITMAP,
@@ -575,7 +576,6 @@ enum update_opt {
 	UOPT_SPEC_FAILFAST,
 	UOPT_SPEC_NOFAILFAST,
 	UOPT_SPEC_REVERT_RESHAPE_NOBACKUP,
-	UOPT_UNDEFINED
 };
 extern void fprint_update_options(FILE *outf, enum update_opt update_mode);