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-rw-r--r--lib/locking-selftest-hardirq.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/locking-selftest-hardirq.h b/lib/locking-selftest-hardirq.h
index 10d4a150b259..0d144a6d6a96 100644
--- a/lib/locking-selftest-hardirq.h
+++ b/lib/locking-selftest-hardirq.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#undef IRQ_DISABLE
#undef IRQ_ENABLE
#undef IRQ_ENTER