2.6.25.3-rc1

 drivers

 md

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 61ccbd2..9f6d228 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2096,7 +2096,7 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr,
          rv = -EBUSY;
       else
          rv = entry->store(rdev, page, length);
-      mddev_unlock(rdev->mddev);
+      mddev_unlock(mddev);
    }
    return rv;
 }