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-rw-r--r--drivers/s390/char/ctrlchar.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/s390/char/ctrlchar.c b/drivers/s390/char/ctrlchar.c
index f7d92584b993..e1686a69a68e 100644
--- a/drivers/s390/char/ctrlchar.c
+++ b/drivers/s390/char/ctrlchar.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Unified handling of special chars.
*