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Matthieu Baerts dc97251bf0 selftests: mptcp: diag: skip listen 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 listen diag dump support introduced by
commit 4fa39b701c ("mptcp: listen diag dump support").

It looks like there is no good pre-check to do here, i.e. dedicated
function available in kallsyms. Instead, we try to get info if nothing
is returned, the test is marked as skipped.

That's not ideal because something could be wrong with the feature and
instead of reporting an error, the test could be marked as skipped. If
we know in advanced that the feature is supposed to be supported, the
tester can set SELFTESTS_MPTCP_LIB_EXPECT_ALL_FEATURES env var to 1: in
this case the test will report an error instead of marking the test as
skipped if nothing is returned.

Link: https://github.com/multipath-tcp/mptcp_net-next/issues/368
Fixes: f2ae0fa68e ("selftests/mptcp: add diag listen tests")
Cc: stable@vger.kernel.org
Signed-off-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
History 2023-06-10 00:02:16 -07:00
..
crypto/chacha20-s390 tools/testing/crypto: Use vzalloc instead of vmalloc+memset 2022-07-05 14:46:36 +02:00
cxl cxl: Move cxl_await_media_ready() to before capacity info retrieval 2023-05-18 16:43:45 -07:00
fault-injection docs: fault-injection: convert docs to ReST and rename to *.rst 2019-06-14 14:21:07 -06:00
ktest ktest: Restore stty setting at first in dodie 2023-02-20 11:52:27 -05:00
kunit kunit: tool: Add support for SH under QEMU 2023-04-05 12:51:16 -06:00
memblock mm, treewide: redefine MAX_ORDER sanely 2023-04-05 19:42:46 -07:00
nvdimm Driver core changes for 6.4-rc1 2023-04-27 11:53:57 -07:00
radix-tree maple_tree: add a test case to check maple_alloc 2023-04-18 16:29:56 -07:00
scatterlist tools/testing/scatterlist: add missing defines 2022-01-30 09:56:58 +02:00
selftests selftests: mptcp: diag: skip listen tests if not supported 2023-06-10 00:02:16 -07:00
vsock vsock/test: update expected return values 2023-04-04 12:46:24 +02:00