Drive all return paths for uio_write() through a single block at the
end of the function.
Signed-off-by: NHamish Martin <hamish.martin@alliedtelesis.co.nz>
Reviewed-by: NChris Packham <chris.packham@alliedtelesis.co.nz>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>