Ticket #16849: 16849.2.patch

src/wp-admin/includes/file.php

@@ -239 +239 @@
         }
 
         $file = apply_filters( 'wp_handle_upload_prefilter', $file );
+        $overrides = apply_filters( 'wp_handle_upload_overrides', $overrides );
 
         // You may define your own function and pass the name in $overrides['upload_error_handler']
         $upload_error_handler = 'wp_handle_upload_error';
@@ -377 +378 @@
                 }
         }
 
+        $file = apply_filters( 'wp_handle_sideload_prefilter', $file );
+        $overrides = apply_filters( 'wp_handle_sideload_overrides', $overrides );
+
         // You may define your own function and pass the name in $overrides['upload_error_handler']
         $upload_error_handler = 'wp_handle_upload_error';