mirror-linux/tools/testing
Geliang Tang c8f021eec5 selftests: mptcp: join: fix subflow_send_ack lookup
MPC backups tests will skip unexpected sometimes (For example, when
compiling kernel with an older version of gcc, such as gcc-8), since
static functions like mptcp_subflow_send_ack also be listed in
/proc/kallsyms, with a 't' in front of it, not 'T' ('T' is for a global
function):

 > grep "mptcp_subflow_send_ack" /proc/kallsyms

 0000000000000000 T __pfx___mptcp_subflow_send_ack
 0000000000000000 T __mptcp_subflow_send_ack
 0000000000000000 t __pfx_mptcp_subflow_send_ack
 0000000000000000 t mptcp_subflow_send_ack

In this case, mptcp_lib_kallsyms_doesnt_have "mptcp_subflow_send_ack$"
will be false, MPC backups tests will skip. This is not what we expected.

The correct logic here should be: if mptcp_subflow_send_ack is not a
global function in /proc/kallsyms, do these MPC backups tests. So a 'T'
must be added in front of mptcp_subflow_send_ack.

Fixes: 632978f0a9 ("selftests: mptcp: join: skip MPC backups tests if not supported")
Cc: stable@vger.kernel.org
Signed-off-by: Geliang Tang <geliang.tang@linux.dev>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2023-12-17 20:54:21 +00:00
..
crypto/chacha20-s390
cxl Merge branch 'for-6.7/cxl-rch-eh' into cxl/next 2023-10-31 10:59:00 -07:00
fault-injection
ktest
kunit sound updates for 6.6-rc1 2023-08-30 13:45:05 -07:00
memblock memblock tests: fix warning ‘struct seq_file’ declared inside parameter list 2023-09-14 10:51:28 +03:00
nvdimm ndtest: fix typo class_regster -> class_register 2023-11-27 18:08:02 +00:00
radix-tree radix tree test suite: fix allocation calculation in kmem_cache_alloc_bulk() 2023-10-18 14:34:13 -07:00
scatterlist
selftests selftests: mptcp: join: fix subflow_send_ack lookup 2023-12-17 20:54:21 +00:00
vsock vsock/test: fix SEQPACKET message bounds test 2023-11-23 08:49:16 -08:00