Wojnarowski cites an anonymous NBA general manager who says, "All [Mullin] has to decide is that's what he wants and the job is his."

It's important to note that Mullin himself hasn't committed to becoming a coach yet, as he's preferred to be a front office type since retiring as a player. Perhaps the most important part of Woj's latest piece is this tidbit (bold emphasis mine):

Update 12:30 PM:

ESPN's Marc Stein and Chris Broussard are reporting that so far, Mullin is resisting becoming a coach, particularly in the middle of a season without the benefit of a training camp. Tyrone Corbin is still expected to be given a shot at the rest of the season.