From 68524f7c6f5b5123d786f6727bda83d4dc1a9eb4 Mon Sep 17 00:00:00 2001
From: Mark Jaquith <mark@wordpress.org>
Date: Thu, 6 Dec 2012 05:34:17 +0000
Subject: [PATCH] Run the attachment_fields_to_save filter even if we don't get
 the fields we used to get. props nacin. fixes #22774

git-svn-id: http://core.svn.wordpress.org/trunk@23094 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-admin/includes/post.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wp-admin/includes/post.php b/wp-admin/includes/post.php
index 23cdfc9f7c..e4866ad516 100644
--- a/wp-admin/includes/post.php
+++ b/wp-admin/includes/post.php
@@ -235,8 +235,8 @@ function edit_post( $post_data = null ) {
 			}
 		}
 
-		if ( isset( $post_data['attachments'][ $post_ID ] ) )
-			$post_data = apply_filters( 'attachment_fields_to_save', $post_data, $post_data['attachments'][ $post_ID ] );
+		$attachment_data = isset( $post_data['attachments'][ $post_ID ] ) ? $post_data['attachments'][ $post_ID ] : array();
+		$post_data = apply_filters( 'attachment_fields_to_save', $post_data, $attachment_data );
 	}
 
 	add_meta( $post_ID );