Ticket #27320: 27320.5.diff

wp-includes/js/media-views.js

@@ -2025 +2025 @@
                                 previous = lastState && lastState.id,
                                 frame = this;
 
+                        // If no previous state, we can assume the user is editing an existing
+                        // playlist, don't add a cancel link.
+                        if ( ! previous )
+                                return;
                         view.set({
                                 cancel: {
                                         text:     l10n.cancelGalleryTitle,
@@ -2049 +2053 @@
                                 previous = lastState && lastState.id,
                                 frame = this;
 
+                        // If no previous state, we can assume the user is editing an existing
+                        // playlist, don't add a cancel link.
+                        if ( ! previous )
+                                return;
                         view.set({
                                 cancel: {
                                         text:     l10n.cancelPlaylistTitle,
@@ -2073 +2081 @@
                                 previous = lastState && lastState.id,
                                 frame = this;
 
+                        // If no previous state, we can assume the user is editing an existing
+                        // playlist, don't add a cancel link.
+                        if ( ! previous )
+                                return;
                         view.set({
                                 cancel: {
                                         text:     l10n.cancelVideoPlaylistTitle,