Fix RAID metadata check

mdadm recognizes devices with partition table as part of an RAID array
and invalid warning message is displayed. After this fix proper warning
messages are being displayed for MBR/GPT disks and devices with RAID
metadata.

Signed-off-by: Mariusz Dabrowski <mariusz.dabrowski@intel.com>
Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>

1 files changed, 16 insertions, 11 deletions

diff --git a/util.c b/util.c
index 8b52242..a238a21 100644
--- a/util.c
+++ b/util.c
@@ -710,17 +710,22 @@ int check_raid(int fd, char *name)
 
 	if (!st)
 		return 0;
-	st->ss->load_super(st, fd, name);
-	/* Looks like a raid array .. */
-	pr_err("%s appears to be part of a raid array:\n",
-		name);
-	st->ss->getinfo_super(st, &info, NULL);
-	st->ss->free_super(st);
-	crtime = info.array.ctime;
-	level = map_num(pers, info.array.level);
-	if (!level) level = "-unknown-";
-	cont_err("level=%s devices=%d ctime=%s",
-		 level, info.array.raid_disks, ctime(&crtime));
+	if (st->ss->add_to_super != NULL) {
+		st->ss->load_super(st, fd, name);
+		/* Looks like a raid array .. */
+		pr_err("%s appears to be part of a raid array:\n", name);
+		st->ss->getinfo_super(st, &info, NULL);
+		st->ss->free_super(st);
+		crtime = info.array.ctime;
+		level = map_num(pers, info.array.level);
+		if (!level)
+			level = "-unknown-";
+		cont_err("level=%s devices=%d ctime=%s",
+			level, info.array.raid_disks, ctime(&crtime));
+	} else {
+		/* Looks like GPT or MBR */
+		pr_err("partition table exists on %s\n", name);
+	}
 	return 1;
 }