diff options
Diffstat (limited to 'drivers/vhost/scsi.c')
-rw-r--r-- | drivers/vhost/scsi.c | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/drivers/vhost/scsi.c b/drivers/vhost/scsi.c index 50dffe83714c..344684f3e2e4 100644 --- a/drivers/vhost/scsi.c +++ b/drivers/vhost/scsi.c @@ -285,11 +285,6 @@ static int vhost_scsi_check_false(struct se_portal_group *se_tpg) return 0; } -static char *vhost_scsi_get_fabric_name(void) -{ - return "vhost"; -} - static char *vhost_scsi_get_fabric_wwn(struct se_portal_group *se_tpg) { struct vhost_scsi_tpg *tpg = container_of(se_tpg, @@ -889,7 +884,7 @@ vhost_scsi_get_req(struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc, if (unlikely(!copy_from_iter_full(vc->req, vc->req_size, &vc->out_iter))) { - vq_err(vq, "Faulted on copy_from_iter\n"); + vq_err(vq, "Faulted on copy_from_iter_full\n"); } else if (unlikely(*vc->lunp != 1)) { /* virtio-scsi spec requires byte 0 of the lun to be 1 */ vq_err(vq, "Illegal virtio-scsi lun: %u\n", *vc->lunp); @@ -1132,16 +1127,18 @@ vhost_scsi_send_tmf_reject(struct vhost_scsi *vs, struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc) { - struct virtio_scsi_ctrl_tmf_resp __user *resp; struct virtio_scsi_ctrl_tmf_resp rsp; + struct iov_iter iov_iter; int ret; pr_debug("%s\n", __func__); memset(&rsp, 0, sizeof(rsp)); rsp.response = VIRTIO_SCSI_S_FUNCTION_REJECTED; - resp = vq->iov[vc->out].iov_base; - ret = __copy_to_user(resp, &rsp, sizeof(rsp)); - if (!ret) + + iov_iter_init(&iov_iter, READ, &vq->iov[vc->out], vc->in, sizeof(rsp)); + + ret = copy_to_iter(&rsp, sizeof(rsp), &iov_iter); + if (likely(ret == sizeof(rsp))) vhost_add_used_and_signal(&vs->dev, vq, vc->head, 0); else pr_err("Faulted on virtio_scsi_ctrl_tmf_resp\n"); @@ -1152,16 +1149,18 @@ vhost_scsi_send_an_resp(struct vhost_scsi *vs, struct vhost_virtqueue *vq, struct vhost_scsi_ctx *vc) { - struct virtio_scsi_ctrl_an_resp __user *resp; struct virtio_scsi_ctrl_an_resp rsp; + struct iov_iter iov_iter; int ret; pr_debug("%s\n", __func__); memset(&rsp, 0, sizeof(rsp)); /* event_actual = 0 */ rsp.response = VIRTIO_SCSI_S_OK; - resp = vq->iov[vc->out].iov_base; - ret = __copy_to_user(resp, &rsp, sizeof(rsp)); - if (!ret) + + iov_iter_init(&iov_iter, READ, &vq->iov[vc->out], vc->in, sizeof(rsp)); + + ret = copy_to_iter(&rsp, sizeof(rsp), &iov_iter); + if (likely(ret == sizeof(rsp))) vhost_add_used_and_signal(&vs->dev, vq, vc->head, 0); else pr_err("Faulted on virtio_scsi_ctrl_an_resp\n"); @@ -1441,7 +1440,7 @@ vhost_scsi_set_endpoint(struct vhost_scsi *vs, se_tpg = &tpg->se_tpg; ret = target_depend_item(&se_tpg->tpg_group.cg_item); if (ret) { - pr_warn("configfs_depend_item() failed: %d\n", ret); + pr_warn("target_depend_item() failed: %d\n", ret); kfree(vs_tpg); mutex_unlock(&tpg->tv_tpg_mutex); goto out; @@ -2289,8 +2288,7 @@ static struct configfs_attribute *vhost_scsi_wwn_attrs[] = { static const struct target_core_fabric_ops vhost_scsi_ops = { .module = THIS_MODULE, - .name = "vhost", - .get_fabric_name = vhost_scsi_get_fabric_name, + .fabric_name = "vhost", .tpg_get_wwn = vhost_scsi_get_fabric_wwn, .tpg_get_tag = vhost_scsi_get_tpgt, .tpg_check_demo_mode = vhost_scsi_check_true, |