ui: return the default console cursor when con == NULL

VNC code relies on con==NULL to mean the default console.

Fixes:
https://gitlab.com/qemu-project/qemu/-/issues/1548

Fixes: commit 385ac97f8 ("ui: keep current cursor with QemuConsole")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reported-by: Helge Konetzka <hk@zapateado.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230319111017.1319880-1-marcandre.lureau@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/ui/console.c b/ui/console.c
index f378302..6e8a3cd 100644
--- a/ui/console.c
+++ b/ui/console.c
@@ -2303,6 +2303,9 @@ QemuConsole *qemu_console_lookup_unused(void)
 
 QEMUCursor *qemu_console_get_cursor(QemuConsole *con)
 {
+    if (con == NULL) {
+        con = active_console;
+    }
     return con->cursor;
 }