netdev - [PATCHv2 bpf] selftests/bpf/test_lirc_mode2.sh: exit with proper code

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Date:   Mon, 21 Mar 2022 10:41:49 +0800
From:   Hangbin Liu <liuhangbin@...il.com>
To:     netdev@...r.kernel.org
Cc:     Sean Young <sean@...s.org>, Alexei Starovoitov <ast@...nel.org>,
        Daniel Borkmann <daniel@...earbox.net>,
        Hangbin Liu <liuhangbin@...il.com>
Subject: [PATCHv2 bpf] selftests/bpf/test_lirc_mode2.sh: exit with proper code

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@...il.com>
---
 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 ec4e15948e40..5252b91f48a1 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
@@ -25,7 +26,7 @@ do
 	fi
 done
 
-if [ -n $LIRCDEV ];
+if [ -n "$LIRCDEV" ];
 then
 	TYPE=lirc_mode2
 	./test_lirc_mode2_user $LIRCDEV $INPUTDEV
@@ -36,3 +37,5 @@ then
 		echo -e ${GREEN}"PASS: $TYPE"${NC}
 	fi
 fi
+
+exit $ret
-- 
2.35.1