Re: [Qemu-devel] [PATCH 06/12] chardev: remove unused 'sioc' variable & cleanup paths

["Marc-André Lureau" <marcandre.lureau@redhat.com>]

On Tue, Jan 15, 2019 at 6:53 PM Daniel P. Berrangé <berrange@redhat.com> wrote:
>
> The 'sioc' variable in qmp_chardev_open_socket was unused since
>
>   commit 3e7d4d20d3a528b1ed10b1dc3d83119bfb0c5f24
>   Author: Peter Xu <peterx@redhat.com>
>   Date:   Tue Mar 6 13:33:17 2018 +0800
>
>     chardev: use chardev's gcontext for async connect
>
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>

> ---
>  chardev/char-socket.c | 22 +++++++---------------
>  1 file changed, 7 insertions(+), 15 deletions(-)
>
> diff --git a/chardev/char-socket.c b/chardev/char-socket.c
> index ba86284ea9..3b6ff6619b 100644
> --- a/chardev/char-socket.c
> +++ b/chardev/char-socket.c
> @@ -1073,7 +1073,6 @@ static void qmp_chardev_open_socket(Chardev *chr,
>      bool is_waitconnect = sock->has_wait    ? sock->wait    : false;
>      bool is_websock     = sock->has_websocket ? sock->websocket : false;
>      int64_t reconnect   = sock->has_reconnect ? sock->reconnect : 0;
> -    QIOChannelSocket *sioc = NULL;
>      SocketAddress *addr;
>
>      s->is_listen = is_listen;
> @@ -1088,7 +1087,7 @@ static void qmp_chardev_open_socket(Chardev *chr,
>          if (!creds) {
>              error_setg(errp, "No TLS credentials with id '%s'",
>                         sock->tls_creds);
> -            goto error;
> +            return;
>          }
>          s->tls_creds = (QCryptoTLSCreds *)
>              object_dynamic_cast(creds,
> @@ -1096,20 +1095,20 @@ static void qmp_chardev_open_socket(Chardev *chr,
>          if (!s->tls_creds) {
>              error_setg(errp, "Object with id '%s' is not TLS credentials",
>                         sock->tls_creds);
> -            goto error;
> +            return;
>          }
>          object_ref(OBJECT(s->tls_creds));
>          if (is_listen) {
>              if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_SERVER) {
>                  error_setg(errp, "%s",
>                             "Expected TLS credentials for server endpoint");
> -                goto error;
> +                return;
>              }
>          } else {
>              if (s->tls_creds->endpoint != QCRYPTO_TLS_CREDS_ENDPOINT_CLIENT) {
>                  error_setg(errp, "%s",
>                             "Expected TLS credentials for client endpoint");
> -                goto error;
> +                return;
>              }
>          }
>      }
> @@ -1117,7 +1116,7 @@ static void qmp_chardev_open_socket(Chardev *chr,
>      s->addr = addr = socket_address_flatten(sock->addr);
>
>      if (!qmp_chardev_validate_socket(sock, addr, errp)) {
> -        goto error;
> +        return;
>      }
>
>      qemu_chr_set_feature(chr, QEMU_CHAR_FEATURE_RECONNECTABLE);
> @@ -1153,7 +1152,7 @@ static void qmp_chardev_open_socket(Chardev *chr,
>              if (qio_net_listener_open_sync(s->listener, s->addr, errp) < 0) {
>                  object_unref(OBJECT(s->listener));
>                  s->listener = NULL;
> -                goto error;
> +                return;
>              }
>
>              qapi_free_SocketAddress(s->addr);
> @@ -1171,16 +1170,9 @@ static void qmp_chardev_open_socket(Chardev *chr,
>                                                        chr->gcontext);
>              }
>          } else if (qemu_chr_wait_connected(chr, errp) < 0) {
> -            goto error;
> +            return;
>          }
>      }
> -
> -    return;
> -
> -error:
> -    if (sioc) {
> -        object_unref(OBJECT(sioc));
> -    }
>  }
>
>  static void qemu_chr_parse_socket(QemuOpts *opts, ChardevBackend *backend,
> --
> 2.20.1
>