diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 2ea12c6..f63dbb6 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -85,6 +85,7 @@
 	struct r0conf *conf = kzalloc(sizeof(*conf), GFP_KERNEL);
 	unsigned short blksize = 512;
 
+	*private_conf = ERR_PTR(-ENOMEM);
 	if (!conf)
 		return -ENOMEM;
 	rdev_for_each(rdev1, mddev) {