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-rw-r--r--tools/perf/trace/beauty/signum.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/signum.c b/tools/perf/trace/beauty/signum.c
index fde8f2fc6558..bde18a53f090 100644
--- a/tools/perf/trace/beauty/signum.c
+++ b/tools/perf/trace/beauty/signum.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <signal.h>
static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg)