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usb: gadget: zero: put function instances on unbind 

If function instances are not put on gadget's unbind, their implementation
module's refcount is nonzero and it is impossible to unload them.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Andrzej Pietrasiewicz 2013-04-18 14:43:26 +02:00 committed by Felipe Balbi
parent 9890e33013
commit abe7a4097d
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/gadget/zero.c
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@ -368,8 +368,10 @@ static int zero_unbind(struct usb_composite_dev *cdev)
del_timer_sync(&autoresume_timer);
if (!IS_ERR_OR_NULL(func_ss))
usb_put_function(func_ss);
usb_put_function_instance(func_inst_ss);
if (!IS_ERR_OR_NULL(func_lb))
usb_put_function(func_lb);
usb_put_function_instance(func_inst_lb);
return 0;
}