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-rw-r--r--kernel/trace/trace_events_synth.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/trace_events_synth.c b/kernel/trace/trace_events_synth.c
index f0ff730125bf..d6a70aff2410 100644
--- a/kernel/trace/trace_events_synth.c
+++ b/kernel/trace/trace_events_synth.c
@@ -44,7 +44,7 @@ enum { ERRORS };
static const char *err_text[] = { ERRORS };
-DEFINE_MUTEX(lastcmd_mutex);
+static DEFINE_MUTEX(lastcmd_mutex);
static char *last_cmd;
static int errpos(const char *str)