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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        "Shuah Khan (Samsung OSG)" <shuah@kernel.org>,
        Sasha Levin <alexander.levin@microsoft.com>
Subject: [PATCH 4.14 069/246] selftests: intel_pstate: return Kselftest Skip code for skipped tests
Date:   Wed,  1 Aug 2018 18:49:39 +0200
Message-Id: <20180801165015.021522509@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

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

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

[ Upstream commit 5c30a038fb8ec8cdff011e6b5d5d51eb415381d4 ]

When intel_pstate test is 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@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 tools/testing/selftests/intel_pstate/run.sh |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/tools/testing/selftests/intel_pstate/run.sh
+++ b/tools/testing/selftests/intel_pstate/run.sh
@@ -30,9 +30,12 @@
 
 EVALUATE_ONLY=0
 
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
 if ! uname -m | sed -e s/i.86/x86/ -e s/x86_64/x86/ | grep -q x86; then
 	echo "$0 # Skipped: Test can only run on x86 architectures."
-	exit 0
+	exit $ksft_skip
 fi
 
 max_cpus=$(($(nproc)-1))