FAILED: patch "[PATCH] selftests: mptcp: join: skip fail tests if not supported" failed to apply to 6.1-stable tree

[<gregkh@linuxfoundation.org>]

The patch below does not apply to the 6.1-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-6.1.y
git checkout FETCH_HEAD
git cherry-pick -x ff8897b5189495b47895ca247b860a29dc04b36b
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2023062254-neglector-upbeat-10ca@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^..

Possible dependencies:



thanks,

greg k-h

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

From ff8897b5189495b47895ca247b860a29dc04b36b Mon Sep 17 00:00:00 2001
From: Matthieu Baerts <matthieu.baerts@tessares.net>
Date: Sat, 10 Jun 2023 18:11:48 +0200
Subject: [PATCH] selftests: mptcp: join: skip fail tests if not supported

Selftests are supposed to run on any kernels, including the old ones not
supporting all MPTCP features.

One of them is the support of the MP_FAIL / infinite mapping introduced
by commit 1e39e5a32ad7 ("mptcp: infinite mapping sending") and the
following ones.

It is possible to look for one of the infinite mapping counters to know
in advance if the this feature is available.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: b6e074e171bc ("selftests: mptcp: add infinite map testcase")
Cc: stable@vger.kernel.org
Fixes: 2ba18161d407 ("selftests: mptcp: add MP_FAIL reset testcase")
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

diff --git a/tools/testing/selftests/net/mptcp/mptcp_join.sh b/tools/testing/selftests/net/mptcp/mptcp_join.sh
index f9161ed69b86..7867bad59253 100755
--- a/tools/testing/selftests/net/mptcp/mptcp_join.sh
+++ b/tools/testing/selftests/net/mptcp/mptcp_join.sh
@@ -384,7 +384,7 @@ setup_fail_rules()
 
 reset_with_fail()
 {
-	reset "${1}" || return 1
+	reset_check_counter "${1}" "MPTcpExtInfiniteMapTx" || return 1
 	shift
 
 	ip netns exec $ns1 sysctl -q net.mptcp.checksum_enabled=1