perf tools: Use SBUILD_ID_SIZE where applicable

Use the existing SBUILD_ID_SIZE macro instead of the equivalent
BUILD_ID_SIZE * 2 + 1 expression for allocating a buffer for build-id
strings.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@linux.vnet.ibm.com>
Cc: Brendan Gregg <brendan.d.gregg@gmail.com>
Cc: Hemant Kumar <hemant@linux.vnet.ibm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20160511135159.23943.57120.stgit@devbox
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c
index 73ee12d96c33..ff134700bf30 100644
--- a/tools/perf/util/scripting-engines/trace-event-python.c
+++ b/tools/perf/util/scripting-engines/trace-event-python.c
@@ -618,7 +618,7 @@ static int python_export_dso(struct db_export *dbe, struct dso *dso,
                              struct machine *machine)
 {
         struct tables *tables = container_of(dbe, struct tables, dbe);
-        char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+        char sbuild_id[SBUILD_ID_SIZE];
         PyObject *t;
 
         build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id);