From c728fd3b8dcd11fba5f4f9b8a4a25d4cfdf8c0eb Mon Sep 17 00:00:00 2001
From: Vincent Penquerc'h <vincent.penquerch@collabora.co.uk>
Date: Mon, 21 Apr 2014 09:47:08 +0100
Subject: [PATCH] gl: prevent division by 0 on unsupported texture type

Coverity 1199697
---
 gst-libs/gst/gl/gstglmemory.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/gst-libs/gst/gl/gstglmemory.c b/gst-libs/gst/gl/gstglmemory.c
index 2dc2d8a..ed36aaa 100644
--- a/gst-libs/gst/gl/gstglmemory.c
+++ b/gst-libs/gst/gl/gstglmemory.c
@@ -350,7 +350,11 @@ _calculate_unpack_length (GstGLMemory * gl_mem)
   gl_mem->unpack_length = 1;
 
   n_gl_bytes = _gl_texture_type_n_bytes (gl_mem->tex_type);
-
+  if (n_gl_bytes == 0) {
+    GST_CAT_ERROR (GST_CAT_GL_MEMORY, "Unsupported texture type %d",
+        gl_mem->tex_type);
+    return;
+  }
 #if GST_GL_HAVE_OPENGL || GST_GL_HAVE_GLES3
   if (USING_OPENGL (gl_mem->context) || USING_GLES3 (gl_mem->context)) {
     gl_mem->unpack_length = gl_mem->stride / n_gl_bytes;
-- 
2.7.4