I don't know the details but would be astonished if S****horpe don't have the ability to recall Wootton.
Grimsby Live has an article on S****horpe's plans for the January window which contains the following
"Swann said they would listen to offers for players and one of those attracting a bit of interest is Kyle Wootton who is currently on loan at Notts County, where he has scored 12 goals.
“We have had a lot of interest in Kyle,” Swann said. “I don’t think there is any point in bringing them back into the fold unless something happened and we needed to consider them.”
I hope Notts have a contingency plan as given his form there has to be a distinct possibility of him being recalled and he would be a major loss up front. For me this is the absolute priority this window, and even if he does stay having a back up player in a similar mould would be an important addition.