Re: [PATCH v15 0/6] MR7650: Add support for AF_UNIX sockets (followup)

[Ralf Habacker (＠rhabacker)]

Ralf Habacker (@rhabacker) commented about server/fd.c:
>          free( path );
>      }
>
>      closed_fd->unix_fd = fd->unix_fd;

Here the `unix_fd` is saved for closing the file, which is -1 in the case of sockets.