net/virtio: fix outdated comment

[ upstream commit f6ac14f ]

Fix comment that is no more correct as the code evolved.

Fixes: 9470427 ("net/virtio: do not store PCI device pointer at shared memory")

Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

drivers/net/virtio/virtio_ethdev.c

@@ -349,7 +349,7 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx)
 	}
 
 	if (!rte_is_power_of_2(vq_size)) {
-		PMD_INIT_LOG(ERR, "virtqueue size is not powerof 2");
+		PMD_INIT_LOG(ERR, "virtqueue size is not power of 2");
 		return -EINVAL;
 	}
 
@@ -464,8 +464,8 @@ virtio_init_queue(struct rte_eth_dev *dev, uint16_t vtpci_queue_idx)
 		hw->cvq = cvq;
 	}
 
-	/* For virtio_user case (that is when hw->dev is NULL), we use
-	 * virtual address. And we need properly set _offset_, please see
+	/* For virtio_user case (that is when hw->virtio_user_dev is not NULL),
+	 * we use virtual address. And we need properly set _offset_, please see
 	 * VIRTIO_MBUF_DATA_DMA_ADDR in virtqueue.h for more information.
 	 */
 	if (!hw->virtio_user_dev)