connect() returns EINVAL inappropriately

[Harrison Grundy]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

connect() returns EINVAL when called on TIMEWAIT or DROPPED sockets.
Patch attached at:

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=196035

I'm not sure what exactly it *should* return, beyond "Not EINVAL".

- --- Harrison Grundy