Re: [PATCH] [RFC] bpf: tracing: new helper bpf_get_current_cgroup_ino
From: Alexei Starovoitov <hidden>
Date: 2018-05-23 03:35:57
Also in:
cgroups, lkml
On Tue, May 22, 2018 at 08:33:24PM -0700, Y Song wrote:
+ struct cgroup *cgrp = task_dfl_cgroup(current); + if (!cgrp) + return -EINVAL;
why this check is needed?