Re: [PATCH bpf v2] selftests/bpf: fix incorrect users of create_and_get_cgroup

2019-01-07 Thread Alexei Starovoitov
On Mon, Jan 07, 2019 at 09:46:46AM -0800, Stanislav Fomichev wrote: > We have some tests that assume create_and_get_cgroup returns -1 on error > which is incorrect (it returns 0 on error). Since fd might be zero in > general case, change create_and_get_cgroup to return -1 on error > and fix the use

[PATCH bpf v2] selftests/bpf: fix incorrect users of create_and_get_cgroup

2019-01-07 Thread Stanislav Fomichev
We have some tests that assume create_and_get_cgroup returns -1 on error which is incorrect (it returns 0 on error). Since fd might be zero in general case, change create_and_get_cgroup to return -1 on error and fix the users that assume 0 on error. Fixes: f269099a7e7a ("tools/bpf: add a selftest