caif_virtio: use virtio_find_single_vq() for single virtqueue finding

Since caif uses only one queue, convert to virtio_find_single_vq()
helper which is made for this purpose.

Signed-off-by: Jiri Pirko <[email protected]>
Message-Id: <[email protected]>
Signed-off-by: Michael S. Tsirkin <[email protected]>

Author: Jiri Pirko

drivers/net/caif/caif_virtio.c

@@ -646,9 +646,7 @@ static inline void debugfs_init(struct cfv_info *cfv)
 /* Setup CAIF for the a virtio device */
 static int cfv_probe(struct virtio_device *vdev)
 {
-	vq_callback_t *vq_cbs = cfv_release_cb;
 	vrh_callback_t *vrh_cbs = cfv_recv;
-	const char *names =  "output";
 	const char *cfv_netdev_name = "cfvrt";
 	struct net_device *netdev;
 	struct cfv_info *cfv;
@@ -675,9 +673,11 @@ static int cfv_probe(struct virtio_device *vdev)
 		goto err;
 
 	/* Get the TX virtio ring. This is a "guest side vring". */
-	err = virtio_find_vqs(vdev, 1, &cfv->vq_tx, &vq_cbs, &names, NULL);
-	if (err)
+	cfv->vq_tx = virtio_find_single_vq(vdev, cfv_release_cb, "output");
+	if (IS_ERR(cfv->vq_tx)) {
+		err = PTR_ERR(cfv->vq_tx);
 		goto err;
+	}
 
 	/* Get the CAIF configuration from virtio config space, if available */
 	if (vdev->config->get) {