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 <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Steven Rostedt 2009-01-15 20:50:54 -05:00 committed by Ingo Molnar
parent bb3c3c95f3
commit c37abc5515

View File

@ -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);