diff --git a/[refs] b/[refs]
index 7d6f13810bf7..d0d589f926ac 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 80ca3a44f563a763fa872390dcb393f2d82027bf
+refs/heads/master: 67463acb646904d76a8e237cc31eaa87872f30cc
diff --git a/trunk/drivers/md/md.c b/trunk/drivers/md/md.c
index c0da5eedc245..a5286beddcf5 100644
--- a/trunk/drivers/md/md.c
+++ b/trunk/drivers/md/md.c
@@ -1926,6 +1926,8 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr,
 
 	if (!entry->store)
 		return -EIO;
+	if (!capable(CAP_SYS_ADMIN))
+		return -EACCES;
 	return entry->store(rdev, page, length);
 }
 
@@ -2859,6 +2861,8 @@ md_attr_store(struct kobject *kobj, struct attribute *attr,
 
 	if (!entry->store)
 		return -EIO;
+	if (!capable(CAP_SYS_ADMIN))
+		return -EACCES;
 	rv = mddev_lock(mddev);
 	if (!rv) {
 		rv = entry->store(mddev, page, length);