Always update mdadm/map when starting an array.

We previously only updated /var/run/mdadm/map when starting an
array with --incremental.  However we now make more use of
that file (to pass the dev name to udev) so always update it.

Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 2 insertions, 1 deletions

diff --git a/mapfile.c b/mapfile.c
index 14b6df4c..53d9aea4 100644
--- a/mapfile.c
+++ b/mapfile.c
@@ -161,7 +161,8 @@ int map_update(struct map_ent **mpp, int devnum, char *metadata,
 		}
 	if (!mp)
 		map_add(&map, devnum, metadata, uuid, path);
-	*mpp = NULL;
+	if (mpp)
+		*mpp = NULL;
 	rv = map_write(map);
 	map_free(map);
 	return rv;