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authorSteven Rostedt <srostedt@redhat.com>2009-01-15 20:50:54 -0500
committerIngo Molnar <mingo@elte.hu>2009-01-16 12:17:29 +0100
commitc37abc5515b5ed5b1d2134d2deaead492d9f92a2 (patch)
tree7d60a9aacebe4d49eeba8aaff9e827b2cef67bc3 /kernel/trace/trace_output.h
parentbb3c3c95f330f7bf16e33b002e48882616089db1 (diff)
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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>
Diffstat (limited to 'kernel/trace/trace_output.h')
-rw-r--r--kernel/trace/trace_output.h3
1 files changed, 2 insertions, 1 deletions
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);