Commit 76aa8111 authored Apr 16, 2009 by Jeremy Fitzhardinge Committed by Ingo Molnar Apr 17, 2009

tracing: avoid warnings from zero-arg tracepoints



Tracepoints with no arguments can issue two warnings:

	"field" defined by not used
	"ret" is uninitialized in this function

Mark field as being OK to leave unused, and initialize ret.

[ Impact: fix false positive compiler warnings. ]

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Cc: mathieu.desnoyers@polymtl.ca
LKML-Reference: <1239950139-1119-5-git-send-email-jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

parent 9ea21c1e

include/trace/ftrace.h

+2 −2

Original line number	Diff line number	Diff line
		@@ -160,8 +160,8 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags) \
		static int \
		ftrace_format_##call(struct trace_seq *s) \
		{ \
		struct ftrace_raw_##call field; \
		int ret; \
		struct ftrace_raw_##call field __attribute__((unused)); \
		int ret = 0; \
		\
		tstruct; \
		\

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