From 644bbf88ec8fe876efda7aa6615f8a89d0101bd0 Mon Sep 17 00:00:00 2001
From: Matt Turner <mattst88@gmail.com>
Date: Sat, 28 Feb 2015 11:14:02 -0800
Subject: [PATCH] mesa: Correct backwards NULL check.

Cc: "10.4, 10.5" <mesa-stable@lists.freedesktop.org>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
(cherry picked from commit 491d42135ad0e5670756216154f2ba9fc79d4ba7)
---
 src/mesa/main/shaderapi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index 0ca4f58dd51..3e2f8839b86 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -1696,7 +1696,7 @@ _mesa_GetProgramBinary(GLuint program, GLsizei bufSize, GLsizei *length,
     * Ensure that length always points to valid storage to avoid multiple NULL
     * pointer checks below.
     */
-   if (length != NULL)
+   if (length == NULL)
       length = &length_dummy;