We can only check for IN direction if the request had completed. For OUT
direction, it's perfectly fine that the host can send less than the
setup length. Let's return true fall all cases of OUT direction.

Fixes: e0c42ce5 ("usb: dwc3: gadget: simplify IOC handling")
Cc: stable@vger.kernel.org
Signed-off-by: NThinh Nguyen <thinhn@synopsys.com>
Link: https://lore.kernel.org/r/ac5a3593a94fdaa3d92e6352356b5f7a01ccdc7c.1576291140.git.thinhn@synopsys.comSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>