1 files changed, 14 insertions, 5 deletions
diff --git a/ui/input.c b/ui/input.c
index 2761911f3c..1ed0e783b1 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -143,6 +143,9 @@ void qemu_input_event_send(QemuConsole *src, InputEvent *evt)
 
     /* send event */
     s = qemu_input_find_handler(1 << evt->kind);
+    if (!s) {
+        return;
+    }
     s->handler->event(s->dev, src, evt);
     s->events++;
 }
@@ -342,15 +345,21 @@ void do_mouse_set(Monitor *mon, const QDict *qdict)
     int found = 0;
 
     QTAILQ_FOREACH(s, &handlers, node) {
-        if (s->id == index) {
-            found = 1;
-            qemu_input_handler_activate(s);
-            break;
+        if (s->id != index) {
+            continue;
+        }
+        if (!(s->handler->mask & (INPUT_EVENT_MASK_REL |
+                                  INPUT_EVENT_MASK_ABS))) {
+            error_report("Input device '%s' is not a mouse", s->handler->name);
+            return;
         }
+        found = 1;
+        qemu_input_handler_activate(s);
+        break;
     }
 
     if (!found) {
-        monitor_printf(mon, "Mouse at given index not found\n");
+        error_report("Mouse at index '%d' not found", index);
     }
 
     qemu_input_check_mode_change();