diff options
Diffstat (limited to 'net/9p/trans_virtio.c')
| -rw-r--r-- | net/9p/trans_virtio.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index 9b550ed9c711..961e025957ae 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -146,11 +146,10 @@ static void req_done(struct virtqueue *vq) rc = virtqueue_get_buf(chan->vq, &len); if (rc != NULL) { - if (!chan->ring_bufs_avail) { - chan->ring_bufs_avail = 1; - wake_up(chan->vc_wq); - } + chan->ring_bufs_avail = 1; spin_unlock_irqrestore(&chan->lock, flags); + /* Wakeup if anyone waiting for VirtIO ring space. */ + wake_up(chan->vc_wq); P9_DPRINTK(P9_DEBUG_TRANS, ": rc %p\n", rc); P9_DPRINTK(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag); |