linux-kernel - [PATCH 17/21] tools lib traceevent: Add __maybe

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Date:	Fri,  9 Nov 2012 18:43:06 -0300
From:	Arnaldo Carvalho de Melo <acme@...radead.org>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	linux-kernel@...r.kernel.org,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	David Ahern <dsahern@...il.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mike Galbraith <efault@....de>,
	Paul Mackerras <paulus@...ba.org>,
	Peter Zijlstra <peterz@...radead.org>,
	Stephane Eranian <eranian@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>
Subject: [PATCH 17/21] tools lib traceevent: Add __maybe_unused to unused parameters

From: Arnaldo Carvalho de Melo <acme@...hat.com>

Fixing the build on 32-bit Fedora 14:

  tools/lib/traceevent/event-parse.c: In function ‘print_event_fields’:
  tools/lib/traceevent/event-parse.c:3934:69: error: unused parameter ‘size’
  tools/lib/traceevent/event-parse.c: In function ‘pevent_strerror’:
  tools/lib/traceevent/event-parse.c:5074:36: error: unused parameter ‘pevent’

Cc: David Ahern <dsahern@...il.com>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: Mike Galbraith <efault@....de>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Stephane Eranian <eranian@...gle.com>
Cc: Steven Rostedt <rostedt@...dmis.org>
Link: http://lkml.kernel.org/n/tip-soe4gqcz8fd4ecik6exvyqox@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/lib/traceevent/event-parse.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index f2989c5..0dcc18c 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -3931,7 +3931,8 @@ static int is_printable_array(char *p, unsigned int len)
 	return 1;
 }
 
-static void print_event_fields(struct trace_seq *s, void *data, int size,
+static void print_event_fields(struct trace_seq *s, void *data,
+			       int size __maybe_unused,
 			       struct event_format *event)
 {
 	struct format_field *field;
@@ -5070,8 +5071,8 @@ static const char * const pevent_error_str[] = {
 };
 #undef _PE
 
-int pevent_strerror(struct pevent *pevent, enum pevent_errno errnum,
-		    char *buf, size_t buflen)
+int pevent_strerror(struct pevent *pevent __maybe_unused,
+		    enum pevent_errno errnum, char *buf, size_t buflen)
 {
 	int idx;
 	const char *msg;
-- 
1.7.9.2.358.g22243

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