linux-kernel - [PATCH 2/2] usb: gadget: composite: Fix function used to free memory

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Message-Id: <1468650885-13980-1-git-send-email-christophe.jaillet@wanadoo.fr>
Date:	Sat, 16 Jul 2016 08:34:45 +0200
From:	Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:	balbi@...nel.org, gregkh@...uxfoundation.org
Cc:	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH 2/2] usb: gadget: composite: Fix function used to free memory

'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@...adoo.fr>
---
 drivers/usb/gadget/composite.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 8241856..9fe73cf 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -2132,7 +2132,7 @@ 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;
-- 
2.7.4


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