From c37abc5515b5ed5b1d2134d2deaead492d9f92a2 Mon Sep 17 00:00:00 2001 From: Steven Rostedt Date: Thu, 15 Jan 2009 20:50:54 -0500 Subject: [PATCH] trace: add gcc printf check to trace_seq_printf Andrew Morton suggested adding a printf checker to trace_seq_printf since there are a number of users that have improper format arguments. Signed-off-by: Steven Rostedt Signed-off-by: Ingo Molnar --- kernel/trace/trace_output.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/trace/trace_output.h b/kernel/trace/trace_output.h index b2c14615e0cd..1cbab5e3dc99 100644 --- a/kernel/trace/trace_output.h +++ b/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);