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author | Mark Brown <broonie@kernel.org> | 2021-05-18 17:24:52 +0100 |
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committer | Mark Brown <broonie@kernel.org> | 2021-05-18 17:24:52 +0100 |
commit | c37fe6aff89cb0d842993fe2f69e48bf3ebe0ab0 (patch) | |
tree | 2a322c48218f7006bab789b7bf16ec58b129a096 /tools/testing/selftests/bpf/prog_tests/module_attach.c | |
parent | d7aed20d446d8c87f5e13adf73281056b0064a45 (diff) | |
parent | d07f6ca923ea0927a1024dfccafc5b53b61cfecc (diff) |
Merge tag 'v5.13-rc2' into spi-5.13
Linux 5.13-rc2
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/module_attach.c')
-rw-r--r-- | tools/testing/selftests/bpf/prog_tests/module_attach.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/module_attach.c b/tools/testing/selftests/bpf/prog_tests/module_attach.c index 5bc53d53d86e..d85a69b7ce44 100644 --- a/tools/testing/selftests/bpf/prog_tests/module_attach.c +++ b/tools/testing/selftests/bpf/prog_tests/module_attach.c @@ -45,12 +45,18 @@ static int trigger_module_test_write(int write_sz) return 0; } +static int delete_module(const char *name, int flags) +{ + return syscall(__NR_delete_module, name, flags); +} + void test_module_attach(void) { const int READ_SZ = 456; const int WRITE_SZ = 457; struct test_module_attach* skel; struct test_module_attach__bss *bss; + struct bpf_link *link; int err; skel = test_module_attach__open(); @@ -84,6 +90,23 @@ void test_module_attach(void) ASSERT_EQ(bss->fexit_ret, -EIO, "fexit_tet"); ASSERT_EQ(bss->fmod_ret_read_sz, READ_SZ, "fmod_ret"); + test_module_attach__detach(skel); + + /* attach fentry/fexit and make sure it get's module reference */ + link = bpf_program__attach(skel->progs.handle_fentry); + if (!ASSERT_OK_PTR(link, "attach_fentry")) + goto cleanup; + + ASSERT_ERR(delete_module("bpf_testmod", 0), "delete_module"); + bpf_link__destroy(link); + + link = bpf_program__attach(skel->progs.handle_fexit); + if (!ASSERT_OK_PTR(link, "attach_fexit")) + goto cleanup; + + ASSERT_ERR(delete_module("bpf_testmod", 0), "delete_module"); + bpf_link__destroy(link); + cleanup: test_module_attach__destroy(skel); } |