From 8e7ccd2ed735cbc6accd3d7247e200a840eb3745 Mon Sep 17 00:00:00 2001
From: Bryan Venteicher <bryanventeicher@gmail.com>
Date: Sat, 21 Apr 2018 00:27:08 -0500
Subject: [PATCH] Handle VIRTIO_IVAR_SUBVENDOR in MMIO

---
 sys/dev/virtio/mmio/virtio_mmio.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sys/dev/virtio/mmio/virtio_mmio.c b/sys/dev/virtio/mmio/virtio_mmio.c
index 5f4a097edbb945..aad89afb0b6e9f 100644
--- a/sys/dev/virtio/mmio/virtio_mmio.c
+++ b/sys/dev/virtio/mmio/virtio_mmio.c
@@ -426,6 +426,7 @@ vtmmio_read_ivar(device_t dev, device_t child, int index, uintptr_t *result)
 	case VIRTIO_IVAR_VENDOR:
 		*result = vtmmio_read_config_4(sc, VIRTIO_MMIO_VENDOR_ID);
 		break;
+	case VIRTIO_IVAR_SUBVENDOR:
 	case VIRTIO_IVAR_MODERN:
 		*result = 0;
 		break;