[tip:perf/core] perf test: check if cpu_map__new() return NULL

[tip-bot for Han Pingtian <phan@redhat.com>]

Commit-ID:  98d77b78504a423fca911a26a17bee00ef2fdda2
Gitweb:     http://git.kernel.org/tip/98d77b78504a423fca911a26a17bee00ef2fdda2
Author:     Han Pingtian <phan@redhat.com>
AuthorDate: Sat, 15 Jan 2011 07:00:50 +0800
Committer:  Arnaldo Carvalho de Melo <acme@redhat.com>
CommitDate: Sat, 22 Jan 2011 19:56:30 -0200

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>
---
 tools/perf/builtin-test.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 7cc6b20..5a50e47 100644
--- 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;
 	}