FAILED: patch "[PATCH] selftests: mptcp: diag: return KSFT_FAIL not test_cnt" failed to apply to 5.15-stable tree

* FAILED: patch "[PATCH] selftests: mptcp: diag: return KSFT_FAIL not test_cnt" failed to apply to 5.15-stable tree
@ 2024-03-27 14:46 gregkh
  2024-03-29 14:51 ` [PATCH 5.15.y] selftests: mptcp: diag: return KSFT_FAIL not test_cnt Matthieu Baerts (NGI0)
  0 siblings, 1 reply; 3+ messages in thread
From: gregkh @ 2024-03-27 14:46 UTC (permalink / raw)
  To: tanggeliang, davem, matttbe; +Cc: stable


The patch below does not apply to the 5.15-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.

To reproduce the conflict and resubmit, you may use the following commands:

git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y
git checkout FETCH_HEAD
git cherry-pick -x 45bcc0346561daa3f59e19a753cc7f3e08e8dff1
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2024032713-identity-slightly-586d@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^..

Possible dependencies:

45bcc0346561 ("selftests: mptcp: diag: return KSFT_FAIL not test_cnt")
ce9902573652 ("selftests: mptcp: diag: format subtests results in TAP")
dc97251bf0b7 ("selftests: mptcp: diag: skip listen tests if not supported")
e04a30f78809 ("selftest: mptcp: add test for mptcp socket in use")
42fb6cddec3b ("selftests: mptcp: more stable diag tests")
f2ae0fa68e28 ("selftests/mptcp: add diag listen tests")
0cd33c5ffec1 ("selftests: mptcp: fix diag instability")

thanks,

greg k-h

------------------ original commit in Linus's tree ------------------

From 45bcc0346561daa3f59e19a753cc7f3e08e8dff1 Mon Sep 17 00:00:00 2001
From: Geliang Tang <tanggeliang@kylinos.cn>
Date: Fri, 1 Mar 2024 18:11:22 +0100
Subject: [PATCH] selftests: mptcp: diag: return KSFT_FAIL not test_cnt

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@vger.kernel.org
Fixes: 42fb6cddec3b ("selftests: mptcp: more stable diag tests")
Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/tools/testing/selftests/net/mptcp/diag.sh b/tools/testing/selftests/net/mptcp/diag.sh
index f300f4e1eb59..18d37d4695c1 100755
--- a/tools/testing/selftests/net/mptcp/diag.sh
+++ b/tools/testing/selftests/net/mptcp/diag.sh
@@ -69,7 +69,7 @@ __chk_nr()
 		else
 			echo "[ fail ] expected $expected found $nr"
 			mptcp_lib_result_fail "${msg}"
-			ret=$test_cnt
+			ret=${KSFT_FAIL}
 		fi
 	else
 		echo "[  ok  ]"
@@ -124,11 +124,11 @@ wait_msk_nr()
 	if [ $i -ge $timeout ]; then
 		echo "[ fail ] timeout while expecting $expected max $max last $nr"
 		mptcp_lib_result_fail "${msg} # timeout"
-		ret=$test_cnt
+		ret=${KSFT_FAIL}
 	elif [ $nr != $expected ]; then
 		echo "[ fail ] expected $expected found $nr"
 		mptcp_lib_result_fail "${msg} # unexpected result"
-		ret=$test_cnt
+		ret=${KSFT_FAIL}
 	else
 		echo "[  ok  ]"
 		mptcp_lib_result_pass "${msg}"


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