locking-selftests: Handle unexpected failures more strictly

When CONFIG_PROVE_LOCKING is not enabled, more tests are
expected to pass unexpectedly, but there no tests that should
start to fail that pass with CONFIG_PROVE_LOCKING enabled.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: dri-devel@lists.freedesktop.org
Cc: linaro-mm-sig@lists.linaro.org
Cc: rostedt@goodmis.org
Cc: daniel@ffwll.ch
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20130620113151.4001.77963.stgit@patser
Signed-off-by: Ingo Molnar <mingo@kernel.org>

lib/locking-selftest.c

@@ -976,16 +976,18 @@ static void dotest(void (*testcase_fn)(void), int expected, int lockclass_mask)
 	/*
 	 * Filter out expected failures:
 	 */
-	if (debug_locks != expected) {
 #ifndef CONFIG_PROVE_LOCKING
+	if (expected == FAILURE && debug_locks) {
 		expected_testcase_failures++;
 		printk("failed|");
-#else
+	}
+	else
+#endif
+	if (debug_locks != expected) {
 		unexpected_testcase_failures++;
 		printk("FAILED|");
 
 		dump_stack();
-#endif
 	} else {
 		testcase_successes++;
 		printk("  ok  |");