static int virtscsi_kick_event(struct virtio_scsi *vscsi,
struct virtio_scsi_event_node *event_node)
{
- int ret;
+ int err;
struct scatterlist sg;
unsigned long flags;
spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags);
- ret = virtqueue_add_buf(vscsi->event_vq.vq, &sg, 0, 1, event_node, GFP_ATOMIC);
- if (ret >= 0)
+ err = virtqueue_add_buf(vscsi->event_vq.vq, &sg, 0, 1, event_node,
+ GFP_ATOMIC);
+ if (!err)
virtqueue_kick(vscsi->event_vq.vq);
spin_unlock_irqrestore(&vscsi->event_vq.vq_lock, flags);
- return ret;
+ return err;
}
static int virtscsi_kick_event_all(struct virtio_scsi *vscsi)
{
unsigned int out_num, in_num;
unsigned long flags;
- int ret;
+ int err;
+ bool needs_kick = false;
spin_lock_irqsave(&tgt->tgt_lock, flags);
virtscsi_map_cmd(tgt, cmd, &out_num, &in_num, req_size, resp_size);
spin_lock(&vq->vq_lock);
- ret = virtqueue_add_buf(vq->vq, tgt->sg, out_num, in_num, cmd, gfp);
+ err = virtqueue_add_buf(vq->vq, tgt->sg, out_num, in_num, cmd, gfp);
spin_unlock(&tgt->tgt_lock);
- if (ret >= 0)
- ret = virtqueue_kick_prepare(vq->vq);
+ if (!err)
+ needs_kick = virtqueue_kick_prepare(vq->vq);
spin_unlock_irqrestore(&vq->vq_lock, flags);
- if (ret > 0)
+ if (needs_kick)
virtqueue_notify(vq->vq);
- return ret;
+ return err;
}
static int virtscsi_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *sc)
if (virtscsi_kick_cmd(tgt, &vscsi->req_vq, cmd,
sizeof cmd->req.cmd, sizeof cmd->resp.cmd,
- GFP_ATOMIC) >= 0)
+ GFP_ATOMIC) == 0)
ret = 0;
else
mempool_free(cmd, virtscsi_cmd_pool);
return err;
}
-static int __devinit virtscsi_probe(struct virtio_device *vdev)
+static int virtscsi_probe(struct virtio_device *vdev)
{
struct Scsi_Host *shost;
struct virtio_scsi *vscsi;
return err;
}
-static void __devexit virtscsi_remove(struct virtio_device *vdev)
+static void virtscsi_remove(struct virtio_device *vdev)
{
struct Scsi_Host *shost = virtio_scsi_host(vdev);
struct virtio_scsi *vscsi = shost_priv(shost);
.freeze = virtscsi_freeze,
.restore = virtscsi_restore,
#endif
- .remove = __devexit_p(virtscsi_remove),
+ .remove = virtscsi_remove,
};
static int __init init(void)