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-rw-r--r--kernel/trace/trace.h2
-rw-r--r--kernel/trace/trace_output.c5
2 files changed, 4 insertions, 3 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 9dc920b01c17..e46a49269be2 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -614,7 +614,7 @@ void trace_buffer_unlock_commit_nostack(struct trace_buffer *buffer,
bool trace_is_tracepoint_string(const char *str);
const char *trace_event_format(struct trace_iterator *iter, const char *fmt);
void trace_check_vprintf(struct trace_iterator *iter, const char *fmt,
- va_list ap);
+ va_list ap) __printf(2, 0);
int trace_empty(struct trace_iterator *iter);
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index f0ba97121345..57a13b61f186 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -322,8 +322,9 @@ void trace_event_printf(struct trace_iterator *iter, const char *fmt, ...)
}
EXPORT_SYMBOL(trace_event_printf);
-static int trace_output_raw(struct trace_iterator *iter, char *name,
- char *fmt, va_list ap)
+static __printf(3, 0)
+int trace_output_raw(struct trace_iterator *iter, char *name,
+ char *fmt, va_list ap)
{
struct trace_seq *s = &iter->seq;