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authorAlex Shi <alex.shi@linaro.org>2017-03-20 12:03:10 +0800
committerAlex Shi <alex.shi@linaro.org>2017-03-20 12:03:10 +0800
commite0d60977f25c7a33b2acda240a1d121bf0a35deb (patch)
tree4f930533fa1e36e0ec75ee8bcaa82d2320985a2c /drivers/hv/hv_snapshot.c
parent4304568925f8191755da36df5c61abb69db9b1b0 (diff)
parent1c563c0006661025d7a6c9bc85fc889a4e8a1c06 (diff)
downloadlinux-linaro-stable-487a258e90613974c74a58861d18e96645fc4b1a.tar.gz
Merge branch 'linux-linaro-lsk-v4.4' into linux-linaro-lsk-v4.4-androidlsk-v4.4-17.03-android
Diffstat (limited to 'drivers/hv/hv_snapshot.c')
-rw-r--r--drivers/hv/hv_snapshot.c4
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);
}