diff --git a/[refs] b/[refs]
index b05f1e230084..5445edd0d4e2 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cb3ac42b8af357fdd9ad838234245b39e5bdb7fe
+refs/heads/master: a53a6c85756339f82ff19e001e90cfba2d6299a8
diff --git a/trunk/drivers/md/raid10.c b/trunk/drivers/md/raid10.c
index da5129a24b18..970a96ef9b18 100644
--- a/trunk/drivers/md/raid10.c
+++ b/trunk/drivers/md/raid10.c
@@ -1137,7 +1137,7 @@ static int raid10_add_disk(mddev_t *mddev, mdk_rdev_t *rdev)
 	if (!enough(conf))
 		return -EINVAL;
 
-	if (rdev->raid_disk)
+	if (rdev->raid_disk >= 0)
 		first = last = rdev->raid_disk;
 
 	if (rdev->saved_raid_disk >= 0 &&