[PATCH 11/21] usb: renesas_usbhs: fixup gadget.dev.driver when udc_stop.

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From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>

current renesas_usbhs is using new style udc_start/stop from
af1d7056a5c1e5eaaf807ddd1423101db84668d0
(usb: gadget: renesas: convert to new style).

But current renesas_usbhs driver didn't care about gadget.dev.driver
when udc_stop. it cause rmmod oops.
This patch care it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>
---
 drivers/usb/renesas_usbhs/mod_gadget.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index f4b032e..2be7381 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -776,6 +776,7 @@ static int usbhsg_gadget_stop(struct usb_gadget *gadget,
 		return -EINVAL;
 
 	usbhsg_try_stop(priv, USBHSG_STATUS_REGISTERD);
+	gpriv->gadget.dev.driver = NULL;
 	gpriv->driver = NULL;
 
 	return 0;
-- 
1.7.7.3

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