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-rw-r--r--crypto/md5.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/md5.c b/crypto/md5.c
index f8f52bf4a5..f91a6fe08f 100644
--- a/crypto/md5.c
+++ b/crypto/md5.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* This file was transplanted with slight modifications from Linux sources
* (fs/cifs/md5.c) into U-Boot by Bartlomiej Sieka <tur@semihalf.com>.