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Commit df754571 authored by Petr Cvek's avatar Petr Cvek Committed by Felipe Balbi
Browse files

usb: gadget: pxa27x: Test for a valid argument pointer 



A call usb_put_phy(udc->transceiver) must be tested for a valid pointer.
Use an already existing test for usb_unregister_notifier call.

Acked-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
Reported-by: default avatarRobert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: default avatarPetr Cvek <petr.cvek@tul.cz>
Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent 0913750f

drivers/usb/gadget/udc/pxa27x_udc.c

+3 −2
Original line number Diff line number Diff line
@@ -2534,9 +2534,10 @@ static int pxa_udc_remove(struct platform_device *_dev) 
	usb_del_gadget_udc(&udc->gadget);

	pxa_cleanup_debugfs(udc);



	if (!IS_ERR_OR_NULL(udc->transceiver))

	if (!IS_ERR_OR_NULL(udc->transceiver)) {

		usb_unregister_notifier(udc->transceiver, &pxa27x_udc_phy);

		usb_put_phy(udc->transceiver);

	}



	udc->transceiver = NULL;

	the_controller = NULL;