From afaed6d3e4aa56e939b496aafa5c97852e223122 Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo
Date: Fri, 16 Jun 2017 11:57:54 -0300
Subject: tools: Adopt __printf from kernel sources

To have a more compact way to ask the compiler to perform printf like
vargargs validation.

v2: Fixed up build on arm, squashing a patch by Kim Phillips, thanks!

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: http://lkml.kernel.org/n/tip-dopkqmmuqs04cxzql0024nnu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/arch/arm/util/cs-etm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'tools/perf/arch')

diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index 29361d9b635a..02a649bfec3c 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -17,6 +17,7 @@
 
 #include <api/fs/fs.h>
 #include <linux/bitops.h>
+#include <linux/compiler.h>
 #include <linux/coresight-pmu.h>
 #include <linux/kernel.h>
 #include <linux/log2.h>
@@ -583,8 +584,7 @@ static FILE *cs_device__open_file(const char *name)
 
 }
 
-static __attribute__((format(printf, 2, 3)))
-int cs_device__print_file(const char *name, const char *fmt, ...)
+static int __printf(2, 3) cs_device__print_file(const char *name, const char *fmt, ...)
 {
 	va_list args;
 	FILE *file;
-- 
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