---

yaml --- r: 247870 b: refs/heads/master c: bedd86b h: refs/heads/master v: v3
git-mirror · May 11, 2011 · a29b9c9 · a29b9c9
1 parent 8a76a11
commit a29b9c9
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b0140891a8cea36469f58d23859e599b1122bd37
+refs/heads/master: bedd86b7773fd97f0d708cc0c371c8963ba7ba9a
diff --git a/trunk/drivers/md/md.c b/trunk/drivers/md/md.c
@@ -5216,6 +5216,16 @@ static int add_new_disk(mddev_t * mddev, mdu_disk_info_t *info)
 		} else
 			super_types[mddev->major_version].
 				validate_super(mddev, rdev);
+		if ((info->state & (1<<MD_DISK_SYNC)) &&
+		    (!test_bit(In_sync, &rdev->flags) ||
+		     rdev->raid_disk != info->raid_disk)) {
+			/* This was a hot-add request, but events doesn't
+			 * match, so reject it.
+			 */
+			export_rdev(rdev);
+			return -EINVAL;
+		}
+
 		if (test_bit(In_sync, &rdev->flags))
 			rdev->saved_raid_disk = rdev->raid_disk;
 		else