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bpf: cgroup_iter: support cgroup1 using cgroup fd

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Use cgroup_v1v2_get_from_fd() in cgroup_iter to support attaching to
both cgroup v1 and v2 using fds.

Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
Acked-by: Martin KaFai Lau <martin.lau@kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Yosry Ahmed 2022-10-11 00:33:59 +00:00 committed by Tejun Heo
parent a6d1ce5951
commit 35256d673a
1 changed files with 1 additions and 1 deletions
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2
kernel/bpf/cgroup_iter.c
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@ -196,7 +196,7 @@ static int bpf_iter_attach_cgroup(struct bpf_prog *prog,
return -EINVAL;
if (fd)
cgrp = cgroup_get_from_fd(fd);
cgrp = cgroup_v1v2_get_from_fd(fd);
else if (id)
cgrp = cgroup_get_from_id(id);
else /* walk the entire hierarchy by default. */