diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c index a548ae42c927a8ffdb7305e692c5615e05678964..81882d4848bdf1f29f1d26e86bd27f49b3ddb206 100644 --- a/drivers/hv/hv_snapshot.c +++ b/drivers/hv/hv_snapshot.c @@ -331,6 +331,11 @@ static void vss_on_reset(void) int hv_vss_init(struct hv_util_service *srv) { + if (vmbus_proto_version < VERSION_WIN8_1) { + pr_warn("Integration service 'Backup (volume snapshot)'" + " not supported on this host version.\n"); + return -ENOTSUPP; + } recv_buffer = srv->recv_buffer; /*