linux-kernel - [PATCH] kseltest/cgroup: Make test_stress.sh work if run interactively

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Date:   Fri, 13 May 2022 15:09:28 -0400
From:   Waiman Long <longman@...hat.com>
To:     Tejun Heo <tj@...nel.org>, Shuah Khan <shuah@...nel.org>
Cc:     cgroups@...r.kernel.org, linux-kselftest@...r.kernel.org,
        linux-kernel@...r.kernel.org, Phil Auld <pauld@...hat.com>,
        Michal Koutný <mkoutny@...e.com>,
        Waiman Long <longman@...hat.com>
Subject: [PATCH] kseltest/cgroup: Make test_stress.sh work if run interactively

Commit 54de76c01239 ("kselftest/cgroup: fix test_stress.sh to use OUTPUT
dir") changes the test_core command path from . to $OUTPUT. However,
variable OUTPUT may not be defined if the command is run interactively.
Fix that by using ${OUTPUT:-.} to cover both cases.

Signed-off-by: Waiman Long <longman@...hat.com>
---
 tools/testing/selftests/cgroup/test_stress.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/cgroup/test_stress.sh b/tools/testing/selftests/cgroup/test_stress.sh
index 109c044f715f..3c9c4554d5f6 100755
--- a/tools/testing/selftests/cgroup/test_stress.sh
+++ b/tools/testing/selftests/cgroup/test_stress.sh
@@ -1,4 +1,4 @@
 #!/bin/bash
 # SPDX-License-Identifier: GPL-2.0
 
-./with_stress.sh -s subsys -s fork ${OUTPUT}/test_core
+./with_stress.sh -s subsys -s fork ${OUTPUT:-.}/test_core
-- 
2.27.0