perf tools: Use __maybe_unused consistently
Instead of defining __unused or redefining __maybe_unused.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-4eleto5pih31jw1q4dypm9pf@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index b5baff3..76ed7d0 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -8,6 +8,7 @@
#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
+#include <linux/compiler.h>
#include <linux/list.h>
#include <linux/kernel.h>
#include <linux/bitops.h>
@@ -1274,7 +1275,7 @@ read_event_desc(struct perf_header *ph, int fd)
}
static int __desc_attr__fprintf(FILE *fp, const char *name, const char *val,
- void *priv __attribute__((unused)))
+ void *priv __maybe_unused)
{
return fprintf(fp, ", %s = %s", name, val);
}