linux-kernel - [ 18/47] usb: gadget: phonet: free requests in pn

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Date:	Wed,  9 Jan 2013 12:35:13 -0800
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	Felipe Balbi <balbi@...com>
Subject: [ 18/47] usb: gadget: phonet: free requests in pn_bind()s error path

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Sebastian Andrzej Siewior <bigeasy@...utronix.de>

commit d0eca719dd11ad0619e8dd6a1f3eceb95b0216dd upstream.

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@...utronix.de>
Signed-off-by: Felipe Balbi <balbi@...com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/gadget/f_phonet.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

--- a/drivers/usb/gadget/f_phonet.c
+++ b/drivers/usb/gadget/f_phonet.c
@@ -541,7 +541,7 @@ int pn_bind(struct usb_configuration *c,
 
 		req = usb_ep_alloc_request(fp->out_ep, GFP_KERNEL);
 		if (!req)
-			goto err;
+			goto err_req;
 
 		req->complete = pn_rx_complete;
 		fp->out_reqv[i] = req;
@@ -550,14 +550,18 @@ int pn_bind(struct usb_configuration *c,
 	/* Outgoing USB requests */
 	fp->in_req = usb_ep_alloc_request(fp->in_ep, GFP_KERNEL);
 	if (!fp->in_req)
-		goto err;
+		goto err_req;
 
 	INFO(cdev, "USB CDC Phonet function\n");
 	INFO(cdev, "using %s, OUT %s, IN %s\n", cdev->gadget->name,
 		fp->out_ep->name, fp->in_ep->name);
 	return 0;
 
+err_req:
+	for (i = 0; i < phonet_rxq_size && fp->out_reqv[i]; i++)
+		usb_ep_free_request(fp->out_ep, fp->out_reqv[i]);
 err:
+
 	if (fp->out_ep)
 		fp->out_ep->driver_data = NULL;
 	if (fp->in_ep)


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