Re: [Qemu-devel] [PATCH 2/3] char-socket: make 'fd' incompatible with 'reconnect'

["Daniel P. Berrangé" <berrange@redhat.com>]

On Tue, Jul 17, 2018 at 02:52:38PM +0200, Marc-André Lureau wrote:
> A chardev socket created with the 'fd=' argument is not going to
> handle reconnection properly by recycling the same fd (or not in a
> supported way). Let's forbid this case.
> 
> Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
> ---
>  chardev/char-socket.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/chardev/char-socket.c b/chardev/char-socket.c
> index 8950f36317..6daa8d003a 100644
> --- a/chardev/char-socket.c
> +++ b/chardev/char-socket.c
> @@ -992,6 +992,10 @@ static void qmp_chardev_open_socket(Chardev *chr,
>  
>      s->addr = addr = socket_address_flatten(sock->addr);
>  
> +    if (sock->has_reconnect && addr->type == SOCKET_ADDRESS_TYPE_FD) {
> +        error_setg(errp, "'reconnect' option is incompatible with 'fd'");
> +        goto error;
> +    }
>      qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_RECONNECTABLE);
>      /* TODO SOCKET_ADDRESS_FD where fd has AF_UNIX */
>      if (addr->type == SOCKET_ADDRESS_TYPE_UNIX) {

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

Regards,
Daniel
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