Commit bd0c9706 authored Dec 21, 2020 by Tom Rix Committed by Steven Rostedt (VMware) Feb 02, 2021

tracing: Add printf attribute to log function

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/20201221162715.3757291-1-trix@redhat.com



Signed-off-by: Tom Rix <trix@redhat.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

parent c8b186a8

include/linux/trace.h

+2 −1

Original line number	Diff line number	Diff line
		@@ -34,6 +34,7 @@ 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, ...);
		int trace_array_init_printk(struct trace_array *tr);