[PATCH 3/6] perf symbols: Introduce dso__build_id_equal

[Arnaldo Carvalho de Melo]

From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

Will be used in more places.

Cc: FrÃdÃric Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/symbol.c |    8 ++++++--
 1 files 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;
 		}
 
-- 
1.6.2.5

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