From: SeokYeon Hwang <syeon.hwang@samsung.com>
Date: Sun, 10 Jul 2016 11:01:20 +0000 (+0900)
Subject: input: remove deadlock occured by missing mutex unlock
X-Git-Tag: Tizen_Studio_1.3_Release_p2.3.2~34^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bb553a888fb4b01e74faf9b3c5518f9fdf31332c;p=sdk%2Femulator%2Fqemu.git

input: remove deadlock occured by missing mutex unlock

Change-Id: I06a2ac4437085e959be84f1c465a067a8a457ec2
Signed-off-by: SeokYeon Hwang <syeon.hwang@samsung.com>
---

diff --git a/tizen/src/hw/virtio/maru_virtio_input.c b/tizen/src/hw/virtio/maru_virtio_input.c
index d84c5cf7bb..262ded4bbb 100644
--- a/tizen/src/hw/virtio/maru_virtio_input.c
+++ b/tizen/src/hw/virtio/maru_virtio_input.c
@@ -98,7 +98,7 @@ static void send_event(void *opaque)
                     input->event_size);
             virtqueue_push(input->vq, element, len);
         } else {
-            LOG_SEVERE("virtqueue is not available, dropping event.\n");
+            LOG_WARNING("virtqueue is not available, dropping event.\n");
             break;
         }
     }
@@ -222,12 +222,12 @@ void virtio_touchscreen_event(int x, int y, int z, int buttons_state)
     VirtIOMaruInput *input = &ts->input;
     touch_event *event;
 
-    qemu_mutex_lock(&input->event_mutex);
-
     if (!check_ready(input)) {
         return;
     }
 
+    qemu_mutex_lock(&input->event_mutex);
+
     event = &touch_events[input->buf_index++];
 
     /* mouse event is copied into the queue */
@@ -326,12 +326,12 @@ void virtio_keyboard_event(int keycode)
     VirtIOMaruInput *input = &kbd->input;
     keyboard_event *event;
 
-    qemu_mutex_lock(&input->event_mutex);
-
     if (!check_ready(input)) {
         return;
     }
 
+    qemu_mutex_lock(&input->event_mutex);
+
     event = &keyboard_events[input->buf_index++];
 
     if (keycode < 0xe0) {