diff --git a/[refs] b/[refs]
index ad4838c62f44..f4d6d65c6697 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: bb3c3c95f330f7bf16e33b002e48882616089db1
+refs/heads/master: c37abc5515b5ed5b1d2134d2deaead492d9f92a2
diff --git a/trunk/kernel/trace/trace_output.h b/trunk/kernel/trace/trace_output.h
index b2c14615e0cd..1cbab5e3dc99 100644
--- a/trunk/kernel/trace/trace_output.h
+++ b/trunk/kernel/trace/trace_output.h
@@ -16,7 +16,8 @@ struct trace_event {
 	trace_print_func	binary;
 };
 
-extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...);
+extern int trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
+	__attribute__ ((format (printf, 2, 3)));
 extern int
 seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
 		unsigned long sym_flags);