USB: gadgets: ci13xxx: fix probing of compiled-in gadget drivers

Built-in gadget drivers have NULL-ifed unbind() function. Checking
whether unbind() is NULL will never let any compiled into kernel
driver attach.

Signed-off-by: Artem Leonenko <tikkeri@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/ci13xxx_udc.c b/drivers/usb/gadget/ci13xxx_udc.c
index f200e472e476d80dcbe2005adebedc142ecf406e..03505cbae8739f06a9bce6a440347341b9d0d1f2 100644 (file)
--- a/drivers/usb/gadget/ci13xxx_udc.c
+++ b/drivers/usb/gadget/ci13xxx_udc.c
@@ -2393,7 +2393,6 @@ int usb_gadget_probe_driver(struct usb_gadget_driver *driver,
 
        if (driver             == NULL ||
            bind               == NULL ||
-           driver->unbind     == NULL ||
            driver->setup      == NULL ||
            driver->disconnect == NULL ||
            driver->suspend    == NULL ||