usb: gadget: printer: revert usb_add_function() effect in error recovery

Whenever the "goto fail" branch is taken, the effect of usb_add_function()
should be reverted.

Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --git a/drivers/usb/gadget/legacy/printer.c b/drivers/usb/gadget/legacy/printer.c
index 12247d3..eb02a6b 100644 (file)
--- a/drivers/usb/gadget/legacy/printer.c
+++ b/drivers/usb/gadget/legacy/printer.c
@@ -1285,6 +1285,7 @@ static int __init printer_bind_config(struct usb_configuration *c)
 
 fail:
        printer_cfg_unbind(c);
+       usb_remove_function(c, &dev->function);
        return status;
 }