perf tests time-to-tsc: No need to disable an event before deleting it

Commit-ID:  61b3f66a3f99bb8a6a5145b1c2bd7eb98bf64748
Gitweb:     http://git.kernel.org/tip/61b3f66a3f99bb8a6a5145b1c2bd7eb98bf64748
Author:     Arnaldo Carvalho de Melo <[email protected]>
AuthorDate: Wed, 22 Jun 2016 10:10:52 -0300
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Wed, 22 Jun 2016 10:10:52 -0300

perf tests time-to-tsc: No need to disable an event before deleting it

Because at the destructor we will call close() and that will do the disable. And we destructors can accept NULL, just like free(), so no need to check it.

---
 tools/perf/arch/x86/tests/perf-time-to-tsc.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

index d4aa567..5c76cc8 100644
@@ -154,10 +154,6 @@ next_event:
 	err = 0;
 
 out_err:
-	if (evlist) {
-		perf_evlist__disable(evlist);
-		perf_evlist__delete(evlist);
-	}
-
+	perf_evlist__delete(evlist);
 	return err;
 }