From 5ecb8e94b494af0df8de4ca9b9ef88d87b30a9c1 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Thu, 6 Dec 2018 17:11:27 -0800
Subject: tools/lib/lockdep/tests: Improve testing accuracy

Instead of checking whether the tests produced any output, check the
output itself. This patch avoids that e.g. debug output causes the
message "PASSED!" to be reported for failed tests.

Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Sasha Levin <sasha.levin@oracle.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Waiman Long <longman@redhat.com>
Cc: johannes.berg@intel.com
Cc: tj@kernel.org
Link: https://lkml.kernel.org/r/20181207011148.251812-4-bvanassche@acm.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 tools/lib/lockdep/tests/ABBCCDDA.sh | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 tools/lib/lockdep/tests/ABBCCDDA.sh

(limited to 'tools/lib/lockdep/tests/ABBCCDDA.sh')

diff --git a/tools/lib/lockdep/tests/ABBCCDDA.sh b/tools/lib/lockdep/tests/ABBCCDDA.sh
new file mode 100644
index 000000000000..fc31c607a5a8
--- /dev/null
+++ b/tools/lib/lockdep/tests/ABBCCDDA.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+grep -q 'WARNING: possible circular locking dependency detected'
-- 
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