perf buildid-list: Fix error return for success

It was always returning -1 (255), confusing test scripts.

Reported-by: Han Pingtian <[email protected]>
Cc: Frederic Weisbecker <[email protected]>
Cc: Han Pingtian <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Mike Galbraith <[email protected]>
Cc: Paul Mackerras <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Stephane Eranian <[email protected]>
Cc: Tom Zanussi <[email protected]>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c
index 44a47e13bd673eb362f956b80bd02adbec367d45..c49837de7d3f74eb9254d83e4f6457b11ae38c17 100644 (file)
--- a/tools/perf/builtin-buildid-list.c
+++ b/tools/perf/builtin-buildid-list.c
@@ -36,7 +36,6 @@ static const struct option options[] = {
 
 static int __cmd_buildid_list(void)
 {
-       int err = -1;
        struct perf_session *session;
 
        session = perf_session__new(input_name, O_RDONLY, force, false);
@@ -49,7 +48,7 @@ static int __cmd_buildid_list(void)
        perf_session__fprintf_dsos_buildid(session, stdout, with_hits);
 
        perf_session__delete(session);
-       return err;
+       return 0;
 }
 
 int cmd_buildid_list(int argc, const char **argv, const char *prefix __used)