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| author | Vadim Fedorenko <vadfed@meta.com> | 2024-06-13 14:18:17 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2024-06-13 16:33:04 -0700 |
| commit | 2d45ab1eda469c802728d0a74e1601de5e71c098 (patch) | |
| tree | 57df14787c55b7ddfbf0b609138da6a0459cc3e2 /tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c | |
| parent | 9b560751f75f7b2484fa22c781be68f4f9fec2b0 (diff) | |
| download | linux-2d45ab1eda469c802728d0a74e1601de5e71c098.tar.gz linux-2d45ab1eda469c802728d0a74e1601de5e71c098.tar.bz2 linux-2d45ab1eda469c802728d0a74e1601de5e71c098.zip | |
selftests: bpf: add testmod kfunc for nullable params
Add special test to be sure that only __nullable BTF params can be
replaced by NULL. This patch adds fake kfuncs in bpf_testmod to
properly test different params.
Acked-by: Eduard Zingerman <eddyz87@gmail.com>
Signed-off-by: Vadim Fedorenko <vadfed@meta.com>
Link: https://lore.kernel.org/r/20240613211817.1551967-6-vadfed@meta.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c')
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c index 0a09732cde4b..49f9a311e49b 100644 --- a/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c +++ b/tools/testing/selftests/bpf/bpf_testmod/bpf_testmod.c @@ -154,6 +154,11 @@ __bpf_kfunc void bpf_kfunc_common_test(void) { } +__bpf_kfunc void bpf_kfunc_dynptr_test(struct bpf_dynptr *ptr, + struct bpf_dynptr *ptr__nullable) +{ +} + struct bpf_testmod_btf_type_tag_1 { int a; }; @@ -363,6 +368,7 @@ BTF_ID_FLAGS(func, bpf_iter_testmod_seq_new, KF_ITER_NEW) BTF_ID_FLAGS(func, bpf_iter_testmod_seq_next, KF_ITER_NEXT | KF_RET_NULL) BTF_ID_FLAGS(func, bpf_iter_testmod_seq_destroy, KF_ITER_DESTROY) BTF_ID_FLAGS(func, bpf_kfunc_common_test) +BTF_ID_FLAGS(func, bpf_kfunc_dynptr_test) BTF_KFUNCS_END(bpf_testmod_common_kfunc_ids) static const struct btf_kfunc_id_set bpf_testmod_common_kfunc_set = { |