From 30d72ec3d0914bb905d4114dee9256f02cbdcc7f Mon Sep 17 00:00:00 2001
From: Edward Chernenko <edwardspec@gmail.com>
Date: Mon, 2 Apr 2018 00:39:59 +0300
Subject: [PATCH] Fix warning "ob_end_flush(): failed to delete and flush
 buffer" during uploads

Bug: T186565
Change-Id: Ia4b29611ccee4acac11717f5220ff9e0fdbd55a9
---
 includes/filerepo/FileRepo.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/includes/filerepo/FileRepo.php b/includes/filerepo/FileRepo.php
index e430bc8f43..0c37d78b26 100644
--- a/includes/filerepo/FileRepo.php
+++ b/includes/filerepo/FileRepo.php
@@ -1634,7 +1634,11 @@ class FileRepo {
 		$status = $this->newGood();
 		$status->merge( $this->backend->streamFile( $params ) );
 
-		ob_end_flush();
+		// T186565: Close the buffer, unless it has already been closed
+		// in HTTPFileStreamer::resetOutputBuffers().
+		if ( ob_get_status() ) {
+			ob_end_flush();
+		}
 
 		return $status;
 	}
-- 
2.20.1