Merge remote-tracking branch 'remotes/kraxel/tags/pull-input-7' into staging

input bugfixes for 2.0

# gpg: Signature made Tue 01 Apr 2014 10:16:43 BST using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-input-7:
  input: add sanity check
  input: mouse_set should check input device type.
  input: fix input_event_key_number trace event
Signed-off-by: NPeter Maydell <peter.maydell@linaro.org>

trace-events

@@ -1022,7 +1022,7 @@ gd_update(int x, int y, int w, int h) "x=%d, y=%d, w=%d, h=%d"
 gd_key_event(int gdk_keycode, int qemu_keycode, const char *action) "translated GDK keycode %d to QEMU keycode %d (%s)"
 
 # ui/input.c
-input_event_key_number(int conidx, int number, bool down) "con %d, key number 0x%d, down %d"
+input_event_key_number(int conidx, int number, bool down) "con %d, key number 0x%x, down %d"
 input_event_key_qcode(int conidx, const char *qcode, bool down) "con %d, key qcode %s, down %d"
 input_event_btn(int conidx, const char *btn, bool down) "con %d, button %s, down %d"
 input_event_rel(int conidx, const char *axis, int value) "con %d, axis %s, value %d"

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();