ui: add precondition for dpy_get_ui_info()

Ensure that it only get called when dpy_ui_info_supported(). The
function should always return a result. There should be a non-null
console or active_console.

Modify the argument to be const as well.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Albert Esteve <aesteve@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/include/ui/console.h b/include/ui/console.h
index 79e4702912..28882f15a5 100644
--- a/include/ui/console.h
+++ b/include/ui/console.h
@@ -329,7 +329,7 @@ void update_displaychangelistener(DisplayChangeListener *dcl,
                                   uint64_t interval);
 void unregister_displaychangelistener(DisplayChangeListener *dcl);
 
-bool dpy_ui_info_supported(QemuConsole *con);
+bool dpy_ui_info_supported(const QemuConsole *con);
 const QemuUIInfo *dpy_get_ui_info(const QemuConsole *con);
 int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info, bool delay);