Fix bugs introduced in

9c62ce83e4258bacc459faf57bf2ed83cce6be08
usb: gadget: ether: convert to new interface of f_ecm

94b5573e97729f0e1496d23b69cbe2c6b24ec0c3
usb: gadget: ether: convert to new interface of f_eem

8af5232d6f48896b151898ccb2e9e155481bb785
usb: gadget: ether: convert to new interface of f_subset

9bd4a10e1bf881af0b0a7c117c7092b558447047
usb: gadget: ether: convert to new interface of f_rndis

Signed-off-by: Andrzej Pietrasiewicz <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
---
 drivers/usb/gadget/ether.c |   14 ++++++++++----
 1 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index f48712f..c1c113e 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -449,14 +449,20 @@ fail:
 
 static int __exit eth_unbind(struct usb_composite_dev *cdev)
 {
-       if (has_rndis())
+       if (has_rndis()) {
+               usb_put_function(f_rndis);
                usb_put_function_instance(fi_rndis);
-       if (use_eem)
+       }
+       if (use_eem) {
+               usb_put_function(f_eem);
                usb_put_function_instance(fi_eem);
-       else if (can_support_ecm(cdev->gadget))
+       } else if (can_support_ecm(cdev->gadget)) {
+               usb_put_function(f_ecm);
                usb_put_function_instance(fi_ecm);
-       else
+       } else {
+               usb_put_function(f_geth);
                usb_put_function_instance(fi_geth);
+       }
        return 0;
 }
 
-- 
1.7.0.4

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