virtio: make virtio_find_single_vq() call virtio_find_vqs()

In order to prepare for conversion of virtio_find_vqs*() arguments, make
virtio_find_single_vq() to call virtio_find_vqs() instead of
op directly.

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

Author: Jiri Pirko

include/linux/virtio_config.h

@@ -210,20 +210,6 @@ static inline bool virtio_has_dma_quirk(const struct virtio_device *vdev)
 	return !virtio_has_feature(vdev, VIRTIO_F_ACCESS_PLATFORM);
 }
 
-static inline
-struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev,
-					vq_callback_t *c, const char *n)
-{
-	vq_callback_t *callbacks[] = { c };
-	const char *names[] = { n };
-	struct virtqueue *vq;
-	int err = vdev->config->find_vqs(vdev, 1, &vq, callbacks, names, NULL,
-					 NULL);
-	if (err < 0)
-		return ERR_PTR(err);
-	return vq;
-}
-
 static inline
 int virtio_find_vqs_ctx(struct virtio_device *vdev, unsigned nvqs,
 			struct virtqueue *vqs[], vq_callback_t *callbacks[],
@@ -244,6 +230,20 @@ int virtio_find_vqs(struct virtio_device *vdev, unsigned nvqs,
 				   names, NULL, desc);
 }
 
+static inline
+struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev,
+					vq_callback_t *c, const char *n)
+{
+	vq_callback_t *callbacks[] = { c };
+	const char *names[] = { n };
+	struct virtqueue *vq;
+	int err = virtio_find_vqs(vdev, 1, &vq, callbacks, names, NULL);
+
+	if (err < 0)
+		return ERR_PTR(err);
+	return vq;
+}
+
 /**
  * virtio_synchronize_cbs - synchronize with virtqueue callbacks
  * @dev: the virtio device