From 2174f7d99b53da90b6fdfd79a6f8c17b0119177c Mon Sep 17 00:00:00 2001
From: Hans-Kristian Arntzen <maister@archlinux.us>
Date: Sat, 23 Jul 2016 21:59:17 +0200
Subject: [PATCH] Vulkan: Fix wrong error handling for missing file.

Apparently 0/1 is returned instead of 0/-1.
---
 gfx/drivers_shader/glslang_util.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gfx/drivers_shader/glslang_util.cpp b/gfx/drivers_shader/glslang_util.cpp
index 90aee21a75..ba7c81b642 100644
--- a/gfx/drivers_shader/glslang_util.cpp
+++ b/gfx/drivers_shader/glslang_util.cpp
@@ -35,7 +35,7 @@ static bool read_shader_file(const char *path, vector<string> *output)
    struct string_list *list = NULL;
    char include_path[PATH_MAX];
 
-   if (filestream_read_file(path, (void**)&buf, &len) < 0)
+   if (!filestream_read_file(path, (void**)&buf, &len))
    {
       RARCH_ERR("Failed to open shader file: \"%s\".\n", path);
       return false;