From: Seung-Woo Kim <sw0312.kim@samsung.com>
Date: Mon, 4 Jun 2018 06:53:39 +0000 (+0900)
Subject: gadget: f_thor: fix hang-up with ctrl-c
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=c194bdf226030e45bcb2db3dcbb2d72e5052820a;p=u-boot.git

gadget: f_thor: fix hang-up with ctrl-c

After the commit 6aae84769a0b ("gadget: f_thor: Fix memory leaks of
usb request and its buffer"), there is hang-up with ctrl-c in some
udc. It is because req of out_ep is freed before out_ep is disabled.
Fix hang-up with ctrl-c by disabling ep before free req of the ep.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
---

diff --git a/drivers/usb/gadget/f_thor.c b/drivers/usb/gadget/f_thor.c
index 1aa6be44bb..8b3b19feaf 100644
--- a/drivers/usb/gadget/f_thor.c
+++ b/drivers/usb/gadget/f_thor.c
@@ -877,14 +877,14 @@ static void thor_func_disable(struct usb_function *f)
 
 	/* Avoid freeing memory when ep is still claimed */
 	if (dev->in_ep->driver_data) {
-		free_ep_req(dev->in_ep, dev->in_req);
 		usb_ep_disable(dev->in_ep);
+		free_ep_req(dev->in_ep, dev->in_req);
 		dev->in_ep->driver_data = NULL;
 	}
 
 	if (dev->out_ep->driver_data) {
-		usb_ep_free_request(dev->out_ep, dev->out_req);
 		usb_ep_disable(dev->out_ep);
+		usb_ep_free_request(dev->out_ep, dev->out_req);
 		dev->out_ep->driver_data = NULL;
 	}