From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Date: Wed, 4 Jan 2017 05:30:16 +0000 (+0100)
Subject: usb: gadget: composite: Fix function used to free memory
X-Git-Tag: C0P2-H0.0--20200415~8506
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=f0ee203c864faca0b8b36698a0ffacb246b1412a;p=linux.git

usb: gadget: composite: Fix function used to free memory

commit 990758c53eafe5a220a780ed12e7b4d51b3df032 upstream.

'cdev->os_desc_req' has been allocated with 'usb_ep_alloc_request()' so
'usb_ep_free_request()' should be used to free it.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index c3c5b87b35b3..baa7cdcc0ebc 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -2147,7 +2147,7 @@ int composite_os_desc_req_prepare(struct usb_composite_dev *cdev,
 	cdev->os_desc_req->buf = kmalloc(4096, GFP_KERNEL);
 	if (!cdev->os_desc_req->buf) {
 		ret = -ENOMEM;
-		kfree(cdev->os_desc_req);
+		usb_ep_free_request(ep0, cdev->os_desc_req);
 		goto end;
 	}
 	cdev->os_desc_req->context = cdev;