From 3715a7061379a6aaf77d8924f917cb56e69be64f Mon Sep 17 00:00:00 2001
From: ocean90 <ocean90@602fd350-edb4-49c9-b593-d223f7449a82>
Date: Wed, 29 Jun 2016 14:06:01 +0000
Subject: [PATCH] Posts: In `wp_ajax_inline_save()`, do not apply level for
 non-hierarchical post types.

Props Offereins.
Fixes #35010.

git-svn-id: https://develop.svn.wordpress.org/trunk@37913 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-admin/includes/ajax-actions.php | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/wp-admin/includes/ajax-actions.php b/src/wp-admin/includes/ajax-actions.php
index 1864d878ac..a99912002e 100644
--- a/src/wp-admin/includes/ajax-actions.php
+++ b/src/wp-admin/includes/ajax-actions.php
@@ -1689,13 +1689,15 @@ function wp_ajax_inline_save() {
 	$mode = $_POST['post_view'] === 'excerpt' ? 'excerpt' : 'list';
 
 	$level = 0;
-	$request_post = array( get_post( $_POST['post_ID'] ) );
-	$parent = $request_post[0]->post_parent;
+	if ( is_post_type_hierarchical( $wp_list_table->screen->post_type ) ) {
+		$request_post = array( get_post( $_POST['post_ID'] ) );
+		$parent       = $request_post[0]->post_parent;
 
-	while ( $parent > 0 ) {
-		$parent_post = get_post( $parent );
-		$parent = $parent_post->post_parent;
-		$level++;
+		while ( $parent > 0 ) {
+			$parent_post = get_post( $parent );
+			$parent      = $parent_post->post_parent;
+			$level++;
+		}
 	}
 
 	$wp_list_table->display_rows( array( get_post( $_POST['post_ID'] ) ), $level );