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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
1 changed files with 2 additions and 1 deletions
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3
kernel/trace/trace_output.h
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@ -16,7 +16,8 @@ struct trace_event {
trace_print_func binary; 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 extern int
seq_print_ip_sym(struct trace_seq *s, unsigned long ip, seq_print_ip_sym(struct trace_seq *s, unsigned long ip,
unsigned long sym_flags); unsigned long sym_flags);