diff options
Diffstat (limited to 'tools/testing/selftests/bpf/prog_tests/trampoline_count.c')
| -rw-r--r-- | tools/testing/selftests/bpf/prog_tests/trampoline_count.c | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/tools/testing/selftests/bpf/prog_tests/trampoline_count.c b/tools/testing/selftests/bpf/prog_tests/trampoline_count.c index 1f6ccdaed1ac..781c8d11604b 100644 --- a/tools/testing/selftests/bpf/prog_tests/trampoline_count.c +++ b/tools/testing/selftests/bpf/prog_tests/trampoline_count.c @@ -55,31 +55,40 @@ void test_trampoline_count(void) /* attach 'allowed' 40 trampoline programs */ for (i = 0; i < MAX_TRAMP_PROGS; i++) { obj = bpf_object__open_file(object, NULL); - if (CHECK(IS_ERR(obj), "obj_open_file", "err %ld\n", PTR_ERR(obj))) + if (CHECK(IS_ERR(obj), "obj_open_file", "err %ld\n", PTR_ERR(obj))) { + obj = NULL; goto cleanup; + } err = bpf_object__load(obj); if (CHECK(err, "obj_load", "err %d\n", err)) goto cleanup; inst[i].obj = obj; + obj = NULL; if (rand() % 2) { - link = load(obj, fentry_name); - if (CHECK(IS_ERR(link), "attach prog", "err %ld\n", PTR_ERR(link))) + link = load(inst[i].obj, fentry_name); + if (CHECK(IS_ERR(link), "attach prog", "err %ld\n", PTR_ERR(link))) { + link = NULL; goto cleanup; + } inst[i].link_fentry = link; } else { - link = load(obj, fexit_name); - if (CHECK(IS_ERR(link), "attach prog", "err %ld\n", PTR_ERR(link))) + link = load(inst[i].obj, fexit_name); + if (CHECK(IS_ERR(link), "attach prog", "err %ld\n", PTR_ERR(link))) { + link = NULL; goto cleanup; + } inst[i].link_fexit = link; } } /* and try 1 extra.. */ obj = bpf_object__open_file(object, NULL); - if (CHECK(IS_ERR(obj), "obj_open_file", "err %ld\n", PTR_ERR(obj))) + if (CHECK(IS_ERR(obj), "obj_open_file", "err %ld\n", PTR_ERR(obj))) { + obj = NULL; goto cleanup; + } err = bpf_object__load(obj); if (CHECK(err, "obj_load", "err %d\n", err)) @@ -104,7 +113,9 @@ void test_trampoline_count(void) cleanup_extra: bpf_object__close(obj); cleanup: - while (--i) { + if (i >= MAX_TRAMP_PROGS) + i = MAX_TRAMP_PROGS - 1; + for (; i >= 0; i--) { bpf_link__destroy(inst[i].link_fentry); bpf_link__destroy(inst[i].link_fexit); bpf_object__close(inst[i].obj); |