From 61ff693ff0124265432500abce40bf0d62ec176d Mon Sep 17 00:00:00 2001
From: Rachel Baker <rachelbaker@git.wordpress.org>
Date: Mon, 28 Dec 2015 22:57:37 +0000
Subject: [PATCH] Comments: Return early from `wp_update_comment_count()` if
 there is not a valid post.

Props ambrosey, juanfra.
Fixes #34977



git-svn-id: https://develop.svn.wordpress.org/trunk@36115 602fd350-edb4-49c9-b593-d223f7449a82
---
 src/wp-includes/comment.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/wp-includes/comment.php b/src/wp-includes/comment.php
index a84f0a70b9..7dafa1eaef 100644
--- a/src/wp-includes/comment.php
+++ b/src/wp-includes/comment.php
@@ -2010,6 +2010,10 @@ function wp_defer_comment_counting($defer=null) {
 function wp_update_comment_count($post_id, $do_deferred=false) {
 	static $_deferred = array();
 
+	if ( empty( $post_id ) && ! $do_deferred ) {
+		return false;
+	}
+
 	if ( $do_deferred ) {
 		$_deferred = array_unique($_deferred);
 		foreach ( $_deferred as $i => $_post_id ) {