linux-kernel - [ 252/262] usb: chipidea: udc: fix error path in udc

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Date:	Fri, 28 Sep 2012 11:53:01 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg KH <gregkh@...uxfoundation.org>, alan@...rguk.ukuu.org.uk,
	Richard Zhao <richard.zhao@...escale.com>,
	Marc Kleine-Budde <mkl@...gutronix.de>,
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Subject: [ 252/262] usb: chipidea: udc: fix error path in udc_start()

From: Greg KH <gregkh@...uxfoundation.org>

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

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

From: Marc Kleine-Budde <mkl@...gutronix.de>

commit c9d1f947a85e38b6dded469470c95ed62430cb3f upstream.

This patch fixes the error path of udc_start(). Now NULL is used to
unset the peripheral with otg_set_peripheral().

Cc: stable <stable@...r.kernel.org>
Reviewed-by: Richard Zhao <richard.zhao@...escale.com>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/chipidea/udc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1747,7 +1747,7 @@ static int udc_start(struct ci13xxx *udc
 
 remove_trans:
 	if (udc->transceiver) {
-		otg_set_peripheral(udc->transceiver->otg, &udc->gadget);
+		otg_set_peripheral(udc->transceiver->otg, NULL);
 		usb_put_transceiver(udc->transceiver);
 	}
 


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