[PATCH] ALSA: virtio: remove duplicate check if queue is broken

[Li RongQing]

virtqueue_enable_cb() will call virtqueue_poll() which will check if
queue is broken at beginning, so remove the virtqueue_is_broken() call

Signed-off-by: Li RongQing <lirongq...@baidu.com>
---
 sound/virtio/virtio_card.c    | 2 --
 sound/virtio/virtio_ctl_msg.c | 2 --
 sound/virtio/virtio_pcm_msg.c | 2 --
 3 files changed, 6 deletions(-)

diff --git a/sound/virtio/virtio_card.c b/sound/virtio/virtio_card.c
index e2847c0..b158c3c 100644
--- a/sound/virtio/virtio_card.c
+++ b/sound/virtio/virtio_card.c
@@ -91,8 +91,6 @@ static void virtsnd_event_notify_cb(struct virtqueue *vqueue)
                        virtsnd_event_dispatch(snd, event);
                        virtsnd_event_send(vqueue, event, true, GFP_ATOMIC);
                }
-               if (unlikely(virtqueue_is_broken(vqueue)))
-                       break;
        } while (!virtqueue_enable_cb(vqueue));
        spin_unlock_irqrestore(&queue->lock, flags);
 }
diff --git a/sound/virtio/virtio_ctl_msg.c b/sound/virtio/virtio_ctl_msg.c
index 18dc5ac..9dabea0 100644
--- a/sound/virtio/virtio_ctl_msg.c
+++ b/sound/virtio/virtio_ctl_msg.c
@@ -303,8 +303,6 @@ void virtsnd_ctl_notify_cb(struct virtqueue *vqueue)
                virtqueue_disable_cb(vqueue);
                while ((msg = virtqueue_get_buf(vqueue, &length)))
                        virtsnd_ctl_msg_complete(msg);
-               if (unlikely(virtqueue_is_broken(vqueue)))
-                       break;
        } while (!virtqueue_enable_cb(vqueue));
        spin_unlock_irqrestore(&queue->lock, flags);
 }
diff --git a/sound/virtio/virtio_pcm_msg.c b/sound/virtio/virtio_pcm_msg.c
index 542446c..8c32efa 100644
--- a/sound/virtio/virtio_pcm_msg.c
+++ b/sound/virtio/virtio_pcm_msg.c
@@ -358,8 +358,6 @@ static inline void virtsnd_pcm_notify_cb(struct 
virtio_snd_queue *queue)
                virtqueue_disable_cb(queue->vqueue);
                while ((msg = virtqueue_get_buf(queue->vqueue, &written_bytes)))
                        virtsnd_pcm_msg_complete(msg, written_bytes);
-               if (unlikely(virtqueue_is_broken(queue->vqueue)))
-                       break;
        } while (!virtqueue_enable_cb(queue->vqueue));
        spin_unlock_irqrestore(&queue->lock, flags);
 }
-- 
2.9.4