[PATCH 10/11] hso: add missing cancel_work_sync in disconnect()

[Olivier Sobrie]

For hso serial devices, two cancel_work_sync were missing in the
disconnect method.

Signed-off-by: Olivier Sobrie <olivier@xxxxxxxxx>
---
 drivers/net/usb/hso.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index c916ab5..c14fc80 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -3107,6 +3107,8 @@ static void hso_free_interface(struct usb_interface *interface)
 			mutex_lock(&serial->parent->mutex);
 			serial->parent->usb_gone = 1;
 			mutex_unlock(&serial->parent->mutex);
+			cancel_work_sync(&serial_table[i]->async_put_intf);
+			cancel_work_sync(&serial_table[i]->async_get_intf);
 			hso_serial_tty_unregister(serial);
 			kref_put(&serial_table[i]->ref, hso_serial_ref_free);
 			set_serial_by_index(i, NULL);
-- 
2.2.0

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