From 104b51077451a3f9e259ca9aeff0c70ac1aa1d27 Mon Sep 17 00:00:00 2001
From: Niklas Haas <git@haasn.xyz>
Date: Fri, 12 Oct 2018 08:29:07 +0200
Subject: vo_gpu: opengl: fix segfault when gl->DeleteSync is unavailable

This deinit code was never checked, so this line would always crash on
implementations without support for sync objects.

Fixes #6197.
---
 video/out/opengl/ra_gl.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'video')

diff --git a/video/out/opengl/ra_gl.c b/video/out/opengl/ra_gl.c
index 7112464e87..70bd9f61aa 100644
--- a/video/out/opengl/ra_gl.c
+++ b/video/out/opengl/ra_gl.c
@@ -542,7 +542,9 @@ static void gl_buf_destroy(struct ra *ra, struct ra_buf *buf)
     GL *gl = ra_gl_get(ra);
     struct ra_buf_gl *buf_gl = buf->priv;
 
-    gl->DeleteSync(buf_gl->fence);
+    if (buf_gl->fence)
+        gl->DeleteSync(buf_gl->fence);
+
     if (buf->data) {
         gl->BindBuffer(buf_gl->target, buf_gl->buffer);
         gl->UnmapBuffer(buf_gl->target);
-- 
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