RFR: 8322420: [Linux] cgroup v2: Limits in parent nested control groups are not detected [v2]

[Severin Gehwolf]

On Wed, 28 Aug 2024 08:46:35 GMT, Severin Gehwolf <sgehwolf at openjdk.org> wrote:

>> You free _path here, but it is still not nullptr. You then rely on all three code paths below to reset _path to a sensible value. That is brittle and may bitrot. It would be cleaner to add a _path = nullptr right after the free, to prevent the old invalif pointer from being accidentally used.
>
> Ah, makes sense.

Done now.

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PR Review Comment: https://git.openjdk.org/jdk/pull/20646#discussion_r1734282181