From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Tue, 9 Jul 2013 05:47:37 +0000 (-0700)
Subject: usb: renesas_usbhs: gadget: remove extra check on udc_stop
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=8047806e64ea7b33fcede5b93f7276568a6119e8;p=linux-beck.git

usb: renesas_usbhs: gadget: remove extra check on udc_stop

usb_gadget_ops :: udc_stop might be called with driver = NULL since
511f3c5326eabe1ece35202a404c24c0aeacc246
(usb: gadget: udc-core: fix a regression during gadget driver unbinding)

Because of that, 2nd times insmod goes fail.
This patch fixes it up.

Reported-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
---

diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index ed4949faa70d..805940c37353 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -855,10 +855,6 @@ static int usbhsg_gadget_stop(struct usb_gadget *gadget,
 	struct usbhsg_gpriv *gpriv = usbhsg_gadget_to_gpriv(gadget);
 	struct usbhs_priv *priv = usbhsg_gpriv_to_priv(gpriv);
 
-	if (!driver		||
-	    !driver->unbind)
-		return -EINVAL;
-
 	usbhsg_try_stop(priv, USBHSG_STATUS_REGISTERD);
 	gpriv->driver = NULL;