usb: gadget: at91_udc: Fix error path

In function at91udc_probe()
call put_device() when device_register() fails.

Signed-off-by: Rahul Ruikar <rahul.ruikar@gmail.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index bdec36a..bb8ddf0 100644 (file)
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1798,8 +1798,10 @@ static int __init at91udc_probe(struct platform_device *pdev)
        }
 
        retval = device_register(&udc->gadget.dev);
-       if (retval < 0)
+       if (retval < 0) {
+               put_device(&udc->gadget.dev);
                goto fail0b;
+       }
 
        /* don't do anything until we have both gadget driver and VBUS */
        clk_enable(udc->iclk);