RFR: 8312444: Unused parameter 'defval' in SocketPermission.initEphemeralPorts could be removed

[Daniel Fuchs]

On Fri, 1 Mar 2024 17:35:35 GMT, Korov <duke at openjdk.org> wrote:

> Removing unused parameter `defval` in `SocketPermission.initEphemeralPorts`, so the variable `PRIV_PORT_MAX` and `DEF_EPH_LOW` unused too.
> 
> Removing unused parameter `cname` in `SocketPermission.authorizedIPv4` and `SocketPermission.authorizedIPv6`.
> 
> Parameter 'action' must be not empty so `a.length > 0`, the check `a.length - 1 < 0` can be removed.

The proposed cleanup looks OK and reduces potential confusion - since the removed parameters were actually not used. However I wonder if we want to change this class at this time. I added the label `security` to get some input from security libs maintainers.

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PR Comment: https://git.openjdk.org/jdk/pull/18086#issuecomment-1973636828