From: Tom Rix <[email protected]> Attributing the function allows the compiler to more thoroughly check the use of the function with -Wformat and similar flags.
Link: https://lkml.kernel.org/r/[email protected] Signed-off-by: Tom Rix <[email protected]> Signed-off-by: Steven Rostedt (VMware) <[email protected]> --- include/linux/trace.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/include/linux/trace.h b/include/linux/trace.h index 886a4ffd9d45..be1e130ed87c 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -34,8 +34,9 @@ int unregister_ftrace_export(struct trace_export *export); struct trace_array; void trace_printk_init_buffers(void); +__printf(3, 4) int trace_array_printk(struct trace_array *tr, unsigned long ip, - const char *fmt, ...); + const char *fmt, ...); int trace_array_init_printk(struct trace_array *tr); void trace_array_put(struct trace_array *tr); struct trace_array *trace_array_get_by_name(const char *name); -- 2.29.2
