return ERR_PTR(error);
/*
+ * Ensure path->dentry points to the dentry for the root of the
+ * newly-mounted snapshot, otherwise this function may be called
+ * repeatedly which can lead to an incorrect ELOOP error return.
+ */
+ follow_up(path);
+
+ /*
* Rather than returning the new vfsmount for the snapshot we must
* return NULL to indicate a mount collision. This is done because
* the user space mount calls do_add_mount() which adds the vfsmount