usb: gadget: ether: put_usb_function on unbind
Fix bugs introduced in
2f980d495b23fe8cb2af96235206bc3d50b2aa86
usb: gadget: ether: convert to new interface of f_ecm
a03d20f7486df78c4031646d2366a5a7064073d6
usb: gadget: ether: convert to new interface of f_eem
977dc6151c29ce16817f2f9e9166db56efa8e96b
usb: gadget: ether: convert to new interface of f_subset
ba229bc617f6eb20e789ecc182750d56bf927389
usb: gadget: ether: convert to new interface of f_rndis
Acked-by: Michal Nazarewicz <mina86@mina86.com>
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>