+ Check access

Sortable.js

@@ -686,24 +686,31 @@
 
 			// Check base state
 			if (
+				!activeSortable ||
 				options.disabled ||
-				(evt.rootEl != null && evt.rootEl !== this.el) || // touch fallback
-				!activeSortable
+				!(evt.rootEl === void 0 || evt.rootEl === this.el)  // touch fallback
 			) {
-				return;
+				return; // exit
+			}
+
+			// Check access
+			if (isOwner) {
+				if (!canSort) {
+					// Reverting item into the original list
+					if (rootEl.contains(dragEl)) {
+						return; // exit
+					}
+
+					revert = true;
+				}
+			} else if (putSortable !== this) {
+				activeSortable.lastPullMode = activeGroup.checkPull(this, activeSortable, dragEl, evt);
+
+				if (!(activeSortable.lastPullMode || group.checkPut(this, activeSortable, dragEl, evt))) {
+					return; // exit;
+				}
 			}
 
-			if ((isOwner
-					? canSort || (revert = !rootEl.contains(dragEl)) // Reverting item into the original list
-					: (
-						putSortable === this ||
-						(
-							(activeSortable.lastPullMode = activeGroup.checkPull(this, activeSortable, dragEl, evt)) &&
-							group.checkPut(this, activeSortable, dragEl, evt)
-						)
-					)
-				)
-			) {
 			// Smart auto-scrolling
 			_autoScroll(evt, options, this.el);
 
@@ -729,7 +736,6 @@
 				return;
 			}
 
-
 			if ((el.children.length === 0) || (el.children[0] === ghostEl) ||
 				(el === evt.target) && (target = _ghostIsLast(el, evt))
 			) {
@@ -813,7 +819,6 @@
 					this._animate(targetRect, target);
 				}
 			}
-			}
 		},
 
 		_animate: function (prevRect, target) {