hso: add missing cancel_work_sync in disconnect()
For hso serial devices, two cancel_work_sync were missing in the
disconnect method.
Signed-off-by: Olivier Sobrie <olivier@sobrie.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c
index cb33fb4..e94a023 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -3106,6 +3106,8 @@
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);
