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 c3c5b87..baa7cdc 100644 (file)
--- 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;