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-rw-r--r--arch/s390/lib/xor.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/lib/xor.c b/arch/s390/lib/xor.c
index b4fd05c36151..96580590ccaf 100644
--- a/arch/s390/lib/xor.c
+++ b/arch/s390/lib/xor.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Optimized xor_block operation for RAID4/5
*