[PATCH 1/4] usb: musb: gadget: fix kernel crash after rmmod

[Ajay Kumar Gupta <ajay.gupta@xxxxxx>]

musb->gadget_driver is not getting reset to NULL after the gadget
driver is removed.

Fixing the same by resetting the musb->gadget_driver to NULL when
gadget driver is removed.

Signed-off-by: Ajay Kumar Gupta <ajay.gupta@xxxxxx>
---
This set of four patches are musb bugfix and created against linus's
tree.

 drivers/usb/musb/musb_gadget.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 95918da..b330ea6 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -2067,6 +2067,7 @@ static int musb_gadget_stop(struct usb_gadget *g,
 	if (!is_otg_enabled(musb))
 		musb_stop(musb);
 
+	musb->gadget_driver = NULL;
 	pm_runtime_put(musb->controller);
 
 	return 0;
-- 
1.7.0.4

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