linux-kernel - [PATCH 4.14 022/217] selftests: pstore: return Kselftest Skip code for skipped tests

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Message-Id: <20180823075506.552440732@linuxfoundation.org>
Date:   Thu, 23 Aug 2018 09:52:15 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        "Shuah Khan (Samsung OSG)" <shuah@...nel.org>,
        Kees Cook <keescook@...omium.org>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.14 022/217] selftests: pstore: return Kselftest Skip code for skipped tests

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: "Shuah Khan (Samsung OSG)" <shuah@...nel.org>

[ Upstream commit 856e7c4b619af622d56b3b454f7bec32a170ac99 ]

When pstore_post_reboot test gets skipped because of unmet dependencies
and/or unsupported configuration, it returns 0 which is treated as a pass
by the Kselftest framework. This leads to false positive result even when
the test could not be run.

Change it to return kselftest skip code when a test gets skipped to clearly
report that the test could not be run.

Kselftest framework SKIP code is 4 and the framework prints appropriate
messages to indicate that the test is skipped.

Signed-off-by: Shuah Khan (Samsung OSG) <shuah@...nel.org>
Reviewed-by: Kees Cook <keescook@...omium.org>
Signed-off-by: Shuah Khan (Samsung OSG) <shuah@...nel.org>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 tools/testing/selftests/pstore/pstore_post_reboot_tests |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/tools/testing/selftests/pstore/pstore_post_reboot_tests
+++ b/tools/testing/selftests/pstore/pstore_post_reboot_tests
@@ -7,13 +7,16 @@
 #
 # Released under the terms of the GPL v2.
 
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
 . ./common_tests
 
 if [ -e $REBOOT_FLAG  ]; then
     rm $REBOOT_FLAG
 else
     prlog "pstore_crash_test has not been executed yet. we skip further tests."
-    exit 0
+    exit $ksft_skip
 fi
 
 prlog -n "Mounting pstore filesystem ... "