It's more about eating rather than smoking - as I understand it. Although some may need a special passover pipe!
Most Hasidim don't have a problem with it. The Chabad Lubavitchers actively take part in all of the politics against weed though. They're really the only Hasidim who care, much like the "regular" orthodox jews
our ancient kings smoked big dank ancient Israeli weed. legend has it cannabis grew on king solomon's grave. The Rastafari prophet and emperor of Ethiopia Haile Selassie also claims descendency from Solomon.