By Adam Markovitz
Updated January 05, 2010 at 08:57 PM EST

According to People, Redmond O’Neal, 24, was sentenced to a 30-day jail rehab facility today following his Dec. 29 arrest for a drug violation. O’Neal, the son of the late Farrah Fawcett and actor Ryan O’Neal, had been undergoing in-patient rehab since September as a result of a previous arrest; he’s due back in court Feb. 2 for sentencing on his probation violation.