From 78075caad99dc36ec6ef5826b7a5273ea14295fc Mon Sep 17 00:00:00 2001
From: Arnaldo Carvalho de Melo <acme@redhat.com>
Date: Fri, 20 Nov 2009 20:51:26 -0200
Subject: [PATCH] perf symbols: Introduce dso__build_id_equal
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Will be used in more places.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frédéric Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1258757489-5978-3-git-send-email-acme@infradead.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
---
 tools/perf/util/symbol.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index d220308..c324bdf 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -884,6 +884,11 @@ out_close:
 	return err;
 }
 
+static bool dso__build_id_equal(const struct dso *self, u8 *build_id)
+{
+	return memcmp(self->build_id, build_id, sizeof(self->build_id)) == 0;
+}
+
 bool dsos__read_build_ids(void)
 {
 	bool have_build_id = false;
@@ -1099,8 +1104,7 @@ more:
 						    sizeof(build_id)) < 0)
 				goto more;
 compare_build_id:
-			if (memcmp(build_id, self->build_id,
-				   sizeof(self->build_id)) != 0)
+			if (!dso__build_id_equal(self, build_id))
 				goto more;
 		}
 
-- 
2.7.4