diff options
Diffstat (limited to 'drivers/hv/hv_snapshot.c')
| -rw-r--r-- | drivers/hv/hv_snapshot.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c index 81882d4848bd..faad79ae318a 100644 --- a/drivers/hv/hv_snapshot.c +++ b/drivers/hv/hv_snapshot.c @@ -66,6 +66,7 @@ static int dm_reg_value; static const char vss_devname[] = "vmbus/hv_vss"; static __u8 *recv_buffer; static struct hvutil_transport *hvt; +static struct completion release_event; static void vss_send_op(struct work_struct *dummy); static void vss_timeout_func(struct work_struct *dummy); @@ -326,11 +327,13 @@ static void vss_on_reset(void) if (cancel_delayed_work_sync(&vss_timeout_work)) vss_respond_to_host(HV_E_FAIL); vss_transaction.state = HVUTIL_DEVICE_INIT; + complete(&release_event); } int hv_vss_init(struct hv_util_service *srv) { + init_completion(&release_event); if (vmbus_proto_version < VERSION_WIN8_1) { pr_warn("Integration service 'Backup (volume snapshot)'" " not supported on this host version.\n"); @@ -360,4 +363,5 @@ void hv_vss_deinit(void) cancel_delayed_work_sync(&vss_timeout_work); cancel_work_sync(&vss_send_op_work); hvutil_transport_destroy(hvt); + wait_for_completion(&release_event); } |