diff --git a/drivers/md/md-autodetect.c b/drivers/md/md-autodetect.c
index 2cf973722f59..344910ba435c 100644
--- a/drivers/md/md-autodetect.c
+++ b/drivers/md/md-autodetect.c
@@ -169,6 +169,7 @@ static void __init md_setup_drive(struct md_setup_args *args)
 
 	pr_info("md: Loading %s: %s\n", name, args->device_names);
 
+	md_alloc(mdev, name);
 	bdev = blkdev_get_by_dev(mdev, FMODE_READ, NULL);
 	if (IS_ERR(bdev)) {
 		pr_err("md: open failed - cannot start array %s\n", name);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 621cf85962da..f511f183aca6 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5623,7 +5623,7 @@ int mddev_init_writes_pending(struct mddev *mddev)
 }
 EXPORT_SYMBOL_GPL(mddev_init_writes_pending);
 
-static int md_alloc(dev_t dev, char *name)
+int md_alloc(dev_t dev, char *name)
 {
 	/*
 	 * If dev is zero, name is the name of a device to allocate with
diff --git a/drivers/md/md.h b/drivers/md/md.h
index 551c0a349cb5..861088b3d236 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -765,6 +765,7 @@ extern int md_integrity_add_rdev(struct md_rdev *rdev, struct mddev *mddev);
 extern int strict_strtoul_scaled(const char *cp, unsigned long *res, int scale);
 
 extern void mddev_init(struct mddev *mddev);
+int md_alloc(dev_t dev, char *name);
 extern int md_run(struct mddev *mddev);
 extern int md_start(struct mddev *mddev);
 extern void md_stop(struct mddev *mddev);