fix up kernbench



git-svn-id: http://test.kernel.org/svn/autotest/trunk@609 592f7852-d20e-0410-864c-8624ca9c26a4
diff --git a/client/bin/autotest_utils.py b/client/bin/autotest_utils.py
index bc4f117..4d9d84d 100755
--- a/client/bin/autotest_utils.py
+++ b/client/bin/autotest_utils.py
@@ -507,8 +507,9 @@
 	"""Extract user, system, and elapsed times into a list of tuples"""
 	pattern = re.compile(r"(.*?)user (.*?)system (.*?)elapsed")
 	results = []
-	for result in pattern.findall(results):
+	for result in pattern.findall(results_string):
 		results.append(tuple([to_seconds(elt) for elt in result]))
+	return results
 
 
 def pickle_load(filename):