1 files changed, 6 insertions, 8 deletions
diff --git a/mapfile.c b/mapfile.c
index ea9837a..33d40d9 100644
--- a/mapfile.c
+++ b/mapfile.c
@@ -43,6 +43,8 @@
  * at compile time via MAP_DIR and MAP_FILE.
  */
 #include	"mdadm.h"
+#include	"xmalloc.h"
+
 #include	<sys/file.h>
 #include	<ctype.h>
 
@@ -339,18 +341,14 @@ struct map_ent *map_by_name(struct map_ent **map, char *name)
  */
 static char *get_member_info(struct mdstat_ent *ent)
 {
+	char *subarray;
 
-	if (ent->metadata_version == NULL ||
-	    strncmp(ent->metadata_version, "external:", 9) != 0)
+	if (!is_mdstat_ent_subarray(ent))
 		return NULL;
 
-	if (is_subarray(&ent->metadata_version[9])) {
-		char *subarray;
+	subarray = strrchr(ent->metadata_version, '/');
 
-		subarray = strrchr(ent->metadata_version, '/');
-		return subarray + 1;
-	}
-	return NULL;
+	return subarray + 1;
 }
 
 void RebuildMap(void)