From b61259dc79452e0a110e48cc8ea0cbdee3d229dd Mon Sep 17 00:00:00 2001
From: Alexander Larsson <alexl@redhat.com>
Date: Fri, 11 Nov 2016 11:00:30 +0100
Subject: [PATCH] document-portal: Fix file trucation

We were checking the error return in the wrong way.
---
 document-portal/xdp-fuse.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/document-portal/xdp-fuse.c b/document-portal/xdp-fuse.c
index 075a2b1d..963be7fd 100644
--- a/document-portal/xdp-fuse.c
+++ b/document-portal/xdp-fuse.c
@@ -1744,7 +1744,7 @@ truncateat (int dir_fd, const char *filename, int size)
   int errsv, res;
 
   fd = openat (dir_fd, filename, O_RDWR);
-  if (fd != -1)
+  if (fd == -1)
     return -1;
 
   res = ftruncate (fd, size);