diff --git a/[refs] b/[refs]
index d4ad5b267924..4823a16e4a6e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 89e5c8b5b85d6d46e8a28cdfa076313ae691d35c
+refs/heads/master: c5a10f62c5c496c49db749af103b991873b7e2dc
diff --git a/trunk/drivers/md/md.c b/trunk/drivers/md/md.c
index 3254ff1a5cc9..875bced88e36 100644
--- a/trunk/drivers/md/md.c
+++ b/trunk/drivers/md/md.c
@@ -765,7 +765,8 @@ static int super_90_validate(mddev_t *mddev, mdk_rdev_t *rdev)
 
 		if (sb->state & (1<<MD_SB_BITMAP_PRESENT) &&
 		    mddev->bitmap_file == NULL) {
-			if (mddev->level != 1 && mddev->level != 5 && mddev->level != 6
+			if (mddev->level != 1 && mddev->level != 4
+			    && mddev->level != 5 && mddev->level != 6
 			    && mddev->level != 10) {
 				/* FIXME use a better test */
 				printk(KERN_WARNING "md: bitmaps not supported for this level.\n");