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-rw-r--r--ipc/sem.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/ipc/sem.c b/ipc/sem.c
index f7385bce5fd3..b2698ebdcb31 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* linux/ipc/sem.c
* Copyright (C) 1992 Krishna Balasubramanian