What will happen I'm charged with possesion of controlled substance?

My husband was charged with possesion of a controlled substance. He was pulled over and searched at a gas station & they found nothing on him the DEA then showed up at my apartment without a search warrant they then pushed their way in & started searching my home they found cocaine in the closet that was left their by a friend of my husband who said he was coming back for it but never did. now my husband was arrested & got out on bond the next day & he is currently on intense probation supervision what is going to happen to him & his probation?