[PATCH 6.1.y] selftests: mptcp: diag: return KSFT_FAIL not test_cnt

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From: Geliang Tang <tanggeliang@xxxxxxxxxx>

The test counter 'test_cnt' should not be returned in diag.sh, e.g. what
if only the 4th test fail? Will do 'exit 4' which is 'exit ${KSFT_SKIP}',
the whole test will be marked as skipped instead of 'failed'!

So we should do ret=${KSFT_FAIL} instead.

Fixes: df62f2ec3df6 ("selftests/mptcp: add diag interface tests")
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 42fb6cddec3b ("selftests: mptcp: more stable diag tests")
Signed-off-by: Geliang Tang <tanggeliang@xxxxxxxxxx>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
(cherry picked from commit 45bcc0346561daa3f59e19a753cc7f3e08e8dff1)
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@xxxxxxxxxx>
---
Notes:
 - Conflicts in diag.sh because the commit ce9902573652 ("selftests:
   mptcp: diag: format subtests results in TAP") is not in v6.1 tree.
   There were conflicts in the context for an unrelated feature.
---
 tools/testing/selftests/net/mptcp/diag.sh | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/selftests/net/mptcp/diag.sh
index 400cf1ce96e3..3df4a8103c76 100755
--- a/tools/testing/selftests/net/mptcp/diag.sh
+++ b/tools/testing/selftests/net/mptcp/diag.sh
@@ -56,7 +56,7 @@ __chk_nr()
 			echo "[ skip ] Feature probably not supported"
 		else
 			echo "[ fail ] expected $expected found $nr"
-			ret=$test_cnt
+			ret=${KSFT_FAIL}
 		fi
 	else
 		echo "[  ok  ]"
@@ -100,10 +100,10 @@ wait_msk_nr()
 	printf "%-50s" "$msg"
 	if [ $i -ge $timeout ]; then
 		echo "[ fail ] timeout while expecting $expected max $max last $nr"
-		ret=$test_cnt
+		ret=${KSFT_FAIL}
 	elif [ $nr != $expected ]; then
 		echo "[ fail ] expected $expected found $nr"
-		ret=$test_cnt
+		ret=${KSFT_FAIL}
 	else
 		echo "[  ok  ]"
 	fi
-- 
2.43.0





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