There is no need for the local variable 'iobase' in the attach
function. If it's '0' the attach fails otherwise the value is
just stored in dev->iobase.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Cc: Frank Mori Hess <fmhess@users.sourceforge.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>