On Thu, Feb 20, 2020 at 3:07 PM Andrii Nakryiko <andriin@xxxxxx> wrote:
>
> Libbpf's Travis CI tests caught this issue. Ensure bpf_link and bpf_object
> clean up is performed correctly.
>
> Fixes: d633d57902a5 ("selftest/bpf: Add test for allowed trampolines count")
> Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
> Signed-off-by: Andrii Nakryiko <andriin@xxxxxx>
> ---
> .../bpf/prog_tests/trampoline_count.c | 25 +++++++++++++------
> 1 file 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;
I think we don't need obj and link in cleanup? Did I miss anything?
