perf test: check if cpu_map__new() return NULL

It looks like we should check if cpus is NULL after

	cpus = cpu_map__new(NULL);

in test__open_syscall_event_on_all_cpus().

LKML-Reference: <20110114230050.GA7011@localhost>
Signed-off-by: Han Pingtian <phan@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 7cc6b20..5a50e47 100644 (file)
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -347,9 +347,9 @@ static int test__open_syscall_event_on_all_cpus(void)
        }
 
        cpus = cpu_map__new(NULL);
-       if (threads == NULL) {
-               pr_debug("thread_map__new\n");
-               return -1;
+       if (cpus == NULL) {
+               pr_debug("cpu_map__new\n");
+               goto out_thread_map_delete;
        }