From: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Date: Thu, 18 Apr 2013 12:43:26 +0000 (+0200)
Subject: usb: gadget: zero: put function instances on unbind
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=abe7a4097dd0141d21d02e4bd949b377a0a75120;p=openwrt%2Fstaging%2Fblogic.git

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>
---

diff --git a/drivers/usb/gadget/zero.c b/drivers/usb/gadget/zero.c
index 685fa681cb65..2cd6262e8b71 100644
--- a/drivers/usb/gadget/zero.c
+++ b/drivers/usb/gadget/zero.c
@@ -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;
 }