From: Li Jun <B47624@freescale.com>
Date: Tue, 15 Jul 2014 14:07:40 +0000 (+0800)
Subject: usb: gadget: composite: dequeue cdev->req before free it in composite_dev_cleanup
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=f226708;p=deliverable%2Flinux.git

usb: gadget: composite: dequeue cdev->req before free it in composite_dev_cleanup

This patch try to dequeue the cdev->req to guarantee the request is not queued
before free it.

Signed-off-by: Li Jun <b47624@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index f80151932053..6935a822ce2b 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -1956,6 +1956,7 @@ void composite_dev_cleanup(struct usb_composite_dev *cdev)
 	}
 	if (cdev->req) {
 		kfree(cdev->req->buf);
+		usb_ep_dequeue(cdev->gadget->ep0, cdev->req);
 		usb_ep_free_request(cdev->gadget->ep0, cdev->req);
 	}
 	cdev->next_string_id = 0;