diff --git a/[refs] b/[refs]
index 4cafd82147bd..125947bfcc18 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: cbe6ef1d2622e08e272600b3cb6040bed60f0450
+refs/heads/master: 8f5f02c460b7ca74ce55ce126ce0c1e58a3f923d
diff --git a/trunk/drivers/md/md.c b/trunk/drivers/md/md.c
index 6818ff4aa8d6..330addfe9b77 100644
--- a/trunk/drivers/md/md.c
+++ b/trunk/drivers/md/md.c
@@ -553,6 +553,9 @@ static mddev_t * mddev_find(dev_t unit)
 {
 	mddev_t *mddev, *new = NULL;
 
+	if (unit && MAJOR(unit) != MD_MAJOR)
+		unit &= ~((1<<MdpMinorShift)-1);
+
  retry:
 	spin_lock(&all_mddevs_lock);