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-rw-r--r--net/ceph/crypto.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/ceph/crypto.h b/net/ceph/crypto.h
index 58d83aa7740f..bb45c7d43739 100644
--- a/net/ceph/crypto.h
+++ b/net/ceph/crypto.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FS_CEPH_CRYPTO_H
#define _FS_CEPH_CRYPTO_H