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-rw-r--r--src/vnet/devices/virtio/vhost-user.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/vnet/devices/virtio/vhost-user.c b/src/vnet/devices/virtio/vhost-user.c
index 5460f10b74e..c1fca441fa5 100644
--- a/src/vnet/devices/virtio/vhost-user.c
+++ b/src/vnet/devices/virtio/vhost-user.c
@@ -3253,6 +3253,13 @@ show_vhost_user_command_fn (vlib_main_t * vm,
if (unformat
(input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
{
+ hi = vnet_get_hw_interface (vnm, hw_if_index);
+ if (vhost_user_dev_class.index != hi->dev_class_index)
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, input);
+ goto done;
+ }
vec_add1 (hw_if_indices, hw_if_index);
}
else if (unformat (input, "descriptors") || unformat (input, "desc"))