input: fix memory leak

If kbd_queue is not empty and queue_count >= queue_limit,
we should free evt.

Change-Id: Ieeacf90d5e7e370a40452ec79031912d8b864d83
Signed-off-by: linzhecheng <linzhecheng@huawei.com>
Message-id: 20171225023730.5512-1-linzhecheng@huawei.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry picked from commit fca4774a96843ba9d32a5d5d1c3826e1478facae)
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/ui/input.c b/ui/input.c
index 3e2d324..e5b78aa 100644
--- a/ui/input.c
+++ b/ui/input.c
@@ -421,6 +421,8 @@ void qemu_input_event_send_key(QemuConsole *src, KeyValue *key, bool down)
     } else if (queue_count < queue_limit) {
         qemu_input_queue_event(&kbd_queue, src, evt);
         qemu_input_queue_sync(&kbd_queue);
+    } else {
+        qapi_free_InputEvent(evt);
     }
 }