From: Olivier Sobrie <olivier@sobrie.be>
Date: Fri, 30 Jan 2015 12:22:02 +0000 (+0100)
Subject: hso: add missing cancel_work_sync in disconnect()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=cc491970f5cef560b9e5bf037f0c9dd1e4d6a4bd;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

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 cb33fb4e9a80..e94a02395357 100644
--- a/drivers/net/usb/hso.c
+++ b/drivers/net/usb/hso.c
@@ -3106,6 +3106,8 @@ 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);