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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, Hangbin Liu <liuhangbin@gmail.com>,
        Daniel Borkmann <daniel@iogearbox.net>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 154/338] selftests/bpf/test_lirc_mode2.sh: Exit with proper code
Date:   Thu, 14 Apr 2022 15:10:57 +0200
Message-Id: <20220414110843.284819545@linuxfoundation.org>
In-Reply-To: <20220414110838.883074566@linuxfoundation.org>
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From: Hangbin Liu <liuhangbin@gmail.com>

[ Upstream commit ec80906b0fbd7be11e3e960813b977b1ffe5f8fe ]

When test_lirc_mode2_user exec failed, the test report failed but still
exit with 0. Fix it by exiting with an error code.

Another issue is for the LIRCDEV checking. With bash -n, we need to quote
the variable, or it will always be true. So if test_lirc_mode2_user was
not run, just exit with skip code.

Fixes: 6bdd533cee9a ("bpf: add selftest for lirc_mode2 type program")
Signed-off-by: Hangbin Liu <liuhangbin@gmail.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20220321024149.157861-1-liuhangbin@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 tools/testing/selftests/bpf/test_lirc_mode2.sh | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/bpf/test_lirc_mode2.sh b/tools/testing/selftests/bpf/test_lirc_mode2.sh
index 677686198df3..795e56e3eaec 100755
--- a/tools/testing/selftests/bpf/test_lirc_mode2.sh
+++ b/tools/testing/selftests/bpf/test_lirc_mode2.sh
@@ -3,6 +3,7 @@
 
 # Kselftest framework requirement - SKIP code is 4.
 ksft_skip=4
+ret=$ksft_skip
 
 msg="skip all tests:"
 if [ $UID != 0 ]; then
@@ -24,7 +25,7 @@ do
 	fi
 done
 
-if [ -n $LIRCDEV ];
+if [ -n "$LIRCDEV" ];
 then
 	TYPE=lirc_mode2
 	./test_lirc_mode2_user $LIRCDEV
@@ -35,3 +36,5 @@ then
 		echo -e ${GREEN}"PASS: $TYPE"${NC}
 	fi
 fi
+
+exit $ret
-- 
2.34.1