Palace's only chance to get him is when the emergency loan widow opens but the max time allowed on emergency loan is 93 days and as Palace have already had him for more than 70 days already it would mean he's only available for about 2 weeks.
Speaking to the Croyden Advertiser, Warnock confirmed the news, he said: "We've already had him for 70-odd days so we can only have him for around another two weeks which is pointless really - so that's a dead in water now."