From d1d25a770c0602bb264f61219e6d4f5028c03b5c Mon Sep 17 00:00:00 2001
From: Adlai Holler <guy.on.internet@me.com>
Date: Wed, 14 Sep 2016 16:21:05 -0700
Subject: [PATCH] Don't beginUpdates/endUpdates on cell relayout if data source
 is gone (#2248)

---
 AsyncDisplayKit/ASTableView.mm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/AsyncDisplayKit/ASTableView.mm b/AsyncDisplayKit/ASTableView.mm
index 842a684273..fbe18702ef 100644
--- a/AsyncDisplayKit/ASTableView.mm
+++ b/AsyncDisplayKit/ASTableView.mm
@@ -1164,7 +1164,7 @@ static NSString * const kCellReuseIdentifier = @"_ASTableViewCell";
 - (void)didLayoutSubviewsOfTableViewCell:(_ASTableViewCell *)tableViewCell
 {
   ASCellNode *node = tableViewCell.node;
-  if (node == nil) {
+  if (node == nil || _asyncDataSource == nil) {
     return;
   }