Re: [PATCH bpf-next v2 4/6] selftests/bpf: Null checks for link in bpf_tcp_ca

[Eduard Zingerman <eddyz87@xxxxxxxxx>]

On Fri, 2024-07-05 at 10:38 +0800, Geliang Tang wrote:

[...]

I think that this patch is an improvement independent of the patch-set.
Please submit it separately.

>  .../selftests/bpf/prog_tests/bpf_tcp_ca.c        | 16 ++++++++++++----

[...]

> @@ -489,6 +494,7 @@ static void test_mixed_links(void)
>  	ASSERT_ERR(err, "update_map");
>  
>  	bpf_link__destroy(link);
> +err:

Nit: there are two links in this test, but ASSERT_OK_PTR is added only
     for a single one. Also note that bpf_link__destroy(NULL) works
     just fine, so it is possible to initialize links as NULL and make
     a jump to cleanup block w/o peeking exact position within that block.

>  	bpf_link__destroy(link_nl);
>  	tcp_ca_update__destroy(skel);
>  }

[...]