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authorAlex Shi <alex.shi@linaro.org>2017-03-20 12:03:13 +0800
committerAlex Shi <alex.shi@linaro.org>2017-03-20 12:03:13 +0800
commit89e7fad96be88f30f491bf227d864bf5e8e701b2 (patch)
tree6316161ebd26b780991ff8632471fbbfa3af7ea8 /drivers/hv/hv_fcopy.c
parent5b0250d2571ee75ca3c0b34579c3e90bc2bd9c6a (diff)
parent1c563c0006661025d7a6c9bc85fc889a4e8a1c06 (diff)
Diffstat (limited to 'drivers/hv/hv_fcopy.c')
-rw-r--r--drivers/hv/hv_fcopy.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/hv/hv_fcopy.c b/drivers/hv/hv_fcopy.c
index c37a71e13de0..1fb02dcbc500 100644
--- a/drivers/hv/hv_fcopy.c
+++ b/drivers/hv/hv_fcopy.c
@@ -61,6 +61,7 @@ static DECLARE_WORK(fcopy_send_work, fcopy_send_data);
static const char fcopy_devname[] = "vmbus/hv_fcopy";
static u8 *recv_buffer;
static struct hvutil_transport *hvt;
+static struct completion release_event;
/*
* This state maintains the version number registered by the daemon.
*/
@@ -312,12 +313,14 @@ static void fcopy_on_reset(void)
if (cancel_delayed_work_sync(&fcopy_timeout_work))
fcopy_respond_to_host(HV_E_FAIL);
+ complete(&release_event);
}
int hv_fcopy_init(struct hv_util_service *srv)
{
recv_buffer = srv->recv_buffer;
+ init_completion(&release_event);
/*
* When this driver loads, the user level daemon that
* processes the host requests may not yet be running.
@@ -339,4 +342,5 @@ void hv_fcopy_deinit(void)
fcopy_transaction.state = HVUTIL_DEVICE_DYING;
cancel_delayed_work_sync(&fcopy_timeout_work);
hvutil_transport_destroy(hvt);
+ wait_for_completion(&release_event);
}