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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-30 05:14:55 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-04-30 05:14:55 -0700
commit7b6c81f46c5dd7af316bf09aa1991ceed7e53dcd (patch)
tree21e779c6c6d68a41ffd640228359eac060c2e0fe /drivers/gpu/drm/virtio/virtgpu_vq.c
parent0a84bae7edfb44b50978225c6819c59edfebf645 (diff)
parent6da6c0db5316275015e8cc2959f12a17584aeb64 (diff)
Merge 4.17-rc3 into tty-next
We want the tty and serial driver fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/virtio/virtgpu_vq.c')
-rw-r--r--drivers/gpu/drm/virtio/virtgpu_vq.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/virtio/virtgpu_vq.c b/drivers/gpu/drm/virtio/virtgpu_vq.c
index 48e4f1df6e5d..020070d483d3 100644
--- a/drivers/gpu/drm/virtio/virtgpu_vq.c
+++ b/drivers/gpu/drm/virtio/virtgpu_vq.c
@@ -293,7 +293,7 @@ retry:
ret = virtqueue_add_sgs(vq, sgs, outcnt, incnt, vbuf, GFP_ATOMIC);
if (ret == -ENOSPC) {
spin_unlock(&vgdev->ctrlq.qlock);
- wait_event(vgdev->ctrlq.ack_queue, vq->num_free);
+ wait_event(vgdev->ctrlq.ack_queue, vq->num_free >= outcnt + incnt);
spin_lock(&vgdev->ctrlq.qlock);
goto retry;
} else {
@@ -368,7 +368,7 @@ retry:
ret = virtqueue_add_sgs(vq, sgs, outcnt, 0, vbuf, GFP_ATOMIC);
if (ret == -ENOSPC) {
spin_unlock(&vgdev->cursorq.qlock);
- wait_event(vgdev->cursorq.ack_queue, vq->num_free);
+ wait_event(vgdev->cursorq.ack_queue, vq->num_free >= outcnt);
spin_lock(&vgdev->cursorq.qlock);
goto retry;
} else {