From: Liming Wu <liming.wu@xxxxxxxxxxxxxxx>
Need to insmod vhost_test.ko before run virtio_test.
Give some hints to users.
Signed-off-by: Liming Wu <liming.wu@xxxxxxxxxxxxxxx>
---
tools/virtio/virtio_test.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/tools/virtio/virtio_test.c b/tools/virtio/virtio_test.c
index 028f54e6854a..13572a677c35 100644
--- a/tools/virtio/virtio_test.c
+++ b/tools/virtio/virtio_test.c
@@ -135,6 +135,10 @@ static void vdev_info_init(struct vdev_info* dev, unsigned long long features)
dev->buf = malloc(dev->buf_size);
assert(dev->buf);
dev->control = open("/dev/vhost-test", O_RDWR);
+
+ if (dev->control < 0)
+ fprintf(stderr,
+ "Install vhost_test module (./vhost_test/vhost_test.ko) first.\n");
assert(dev->control >= 0);
r = ioctl(dev->control, VHOST_SET_OWNER, NULL);
assert(r >= 0);
--
2.34.1
