Northampton flanker Neil Best received an 18-week ban last October for gouging Wasps' back-row forward James Haskell.
White's innocence is welcome news for England manager Martin Johnson, who until yesterday was facing the prospect of losing a second tighthead prop in the space of a week following Matt Stevens positive test for cocaine.
White will join up with England's training squad in Portugal tomorrow.
London Irish head coach Toby Booth has praised Steffon Armitage after the uncapped flanker was called up by England as a replacement for Lewis Moody, who has a broken ankle.
The 23-year-old younger brother of current England full-back Delon has been in superb form for the Exiles this season and is set to wear the No7 shirt against Italy in 11 days' time with Mike Lipman struggling with concussion.
If the pair do line up together against Italy at Twickenham they will become the first set of brothers to play for England since Rory and Tony Underwood 14 years ago. "Steffon is the form No7 in the Premiership," said Booth.