virtio_crypto: convert to use virtio_find_vqs_info()

Instead of passing separate names and callbacks arrays
to virtio_find_vqs(), allocate one of virtual_queue_info structs and
pass it to virtio_find_vqs_info().

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

Author: Jiri Pirko

drivers/crypto/virtio/virtio_crypto_core.c

@@ -96,11 +96,10 @@ static void virtcrypto_dataq_callback(struct virtqueue *vq)
 
 static int virtcrypto_find_vqs(struct virtio_crypto *vi)
 {
-	vq_callback_t **callbacks;
+	struct virtqueue_info *vqs_info;
 	struct virtqueue **vqs;
 	int ret = -ENOMEM;
 	int i, total_vqs;
-	const char **names;
 	struct device *dev = &vi->vdev->dev;
 
 	/*
@@ -114,26 +113,23 @@ static int virtcrypto_find_vqs(struct virtio_crypto *vi)
 	vqs = kcalloc(total_vqs, sizeof(*vqs), GFP_KERNEL);
 	if (!vqs)
 		goto err_vq;
-	callbacks = kcalloc(total_vqs, sizeof(*callbacks), GFP_KERNEL);
-	if (!callbacks)
-		goto err_callback;
-	names = kcalloc(total_vqs, sizeof(*names), GFP_KERNEL);
-	if (!names)
-		goto err_names;
+	vqs_info = kcalloc(total_vqs, sizeof(*vqs_info), GFP_KERNEL);
+	if (!vqs_info)
+		goto err_vqs_info;
 
 	/* Parameters for control virtqueue */
-	callbacks[total_vqs - 1] = virtcrypto_ctrlq_callback;
-	names[total_vqs - 1] = "controlq";
+	vqs_info[total_vqs - 1].callback = virtcrypto_ctrlq_callback;
+	vqs_info[total_vqs - 1].name = "controlq";
 
 	/* Allocate/initialize parameters for data virtqueues */
 	for (i = 0; i < vi->max_data_queues; i++) {
-		callbacks[i] = virtcrypto_dataq_callback;
+		vqs_info[i].callback = virtcrypto_dataq_callback;
 		snprintf(vi->data_vq[i].name, sizeof(vi->data_vq[i].name),
 				"dataq.%d", i);
-		names[i] = vi->data_vq[i].name;
+		vqs_info[i].name = vi->data_vq[i].name;
 	}
 
-	ret = virtio_find_vqs(vi->vdev, total_vqs, vqs, callbacks, names, NULL);
+	ret = virtio_find_vqs_info(vi->vdev, total_vqs, vqs, vqs_info, NULL);
 	if (ret)
 		goto err_find;
 
@@ -153,18 +149,15 @@ static int virtcrypto_find_vqs(struct virtio_crypto *vi)
 				(unsigned long)&vi->data_vq[i]);
 	}
 
-	kfree(names);
-	kfree(callbacks);
+	kfree(vqs_info);
 	kfree(vqs);
 
 	return 0;
 
 err_engine:
 err_find:
-	kfree(names);
-err_names:
-	kfree(callbacks);
-err_callback:
+	kfree(vqs_info);
+err_vqs_info:
 	kfree(vqs);
 err_vq:
 	return ret;