spice: remove QXLWorker interface field

This fields points to an old interface that is no more
used in the current code.
Signed-off-by: NFrediano Ziglio <fziglio@redhat.com>
Message-id: 20171122135625.16625-1-fziglio@redhat.com
Signed-off-by: NGerd Hoffmann <kraxel@redhat.com>

hw/display/qxl.c

@@ -518,7 +518,6 @@ static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
     PCIQXLDevice *qxl = container_of(sin, PCIQXLDevice, ssd.qxl);
 
     trace_qxl_interface_attach_worker(qxl->id);
-    qxl->ssd.worker = qxl_worker;
 }
 
 static void interface_set_compression_level(QXLInstance *sin, int level)

include/ui/spice-display.h

@@ -86,7 +86,6 @@ struct SimpleSpiceDisplay {
     DisplayChangeListener dcl;
     void *buf;
     int bufsize;
-    QXLWorker *worker;
     QXLInstance qxl;
     uint32_t unique;
     pixman_image_t *surface;

ui/spice-display.c

@@ -519,7 +519,6 @@ static void interface_attach_worker(QXLInstance *sin, QXLWorker *qxl_worker)
     SimpleSpiceDisplay *ssd = container_of(sin, SimpleSpiceDisplay, qxl);
 
     dprint(1, "%s/%d:\n", __func__, ssd->qxl.id);
-    ssd->worker = qxl_worker;
 }
 
 static void interface_set_compression_level(QXLInstance *sin, int level)
@@ -1028,7 +1027,6 @@ static void qemu_spice_display_init_one(QemuConsole *con)
 
     ssd->qxl.base.sif = &dpy_interface.base;
     qemu_spice_add_display_interface(&ssd->qxl, con);
-    assert(ssd->worker);
     qemu_spice_create_host_memslot(ssd);
 
     register_displaychangelistener(&ssd->dcl);