From: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
Date: Thu, 17 May 2012 11:10:43 +0000 (+0900)
Subject: USB: gpio_vbus: a missing cancellation of workqueue in remove() function
X-Git-Tag: firefly_0821_release~3680^2~2827^2~8
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ec1ac6e1690adf4087afdc706770cb6fb732157b;p=firefly-linux-kernel-4.4.55.git

USB: gpio_vbus: a missing cancellation of workqueue in remove() function

Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi.px@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/otg/gpio_vbus.c b/drivers/usb/otg/gpio_vbus.c
index 00e763ecb55a..1e6bd0347aff 100644
--- a/drivers/usb/otg/gpio_vbus.c
+++ b/drivers/usb/otg/gpio_vbus.c
@@ -348,6 +348,7 @@ static int __exit gpio_vbus_remove(struct platform_device *pdev)
 	struct gpio_vbus_mach_info *pdata = pdev->dev.platform_data;
 	int gpio = pdata->gpio_vbus;
 
+	cancel_delayed_work_sync(&gpio_vbus->work);
 	regulator_put(gpio_vbus->vbus_draw);
 
 	usb_set_transceiver(NULL);