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-rw-r--r--drivers/scsi/virtio_scsi.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 1b38431..b0ad5aa 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -264,9 +264,11 @@ static int virtscsi_kick_cmd(struct virtio_scsi *vscsi, struct virtqueue *vq,
ret = virtqueue_add_buf(vq, vscsi->sg, out_num, in_num, cmd, gfp);
if (ret >= 0)
- virtqueue_kick(vq);
+ ret = virtqueue_kick_prepare(vq);
spin_unlock_irqrestore(&vscsi->vq_lock, flags);
+ if (ret > 0)
+ virtqueue_notify(vq);
return ret;
}
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