Mesa (master): mesa/main: In _mesa_CompressedTextureSubImage3D() check found texObj

[Jason Ekstrand]

Module: Mesa
Branch: master
Commit: c503ce104419a7ba39db6a0989a15d888f4b0d36
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=c503ce104419a7ba39db6a0989a15d888f4b0d36

Author: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>
Date:   Mon Jan 12 15:27:24 2015 +0200

mesa/main: In _mesa_CompressedTextureSubImage3D() check found texObj

Check returned texObj is not null. If texObj is null there is already
GL_INVALID_OPERATION error set.

Signed-off-by: Juha-Pekka Heikkila <juhapekka.heikkila at gmail.com>

---

 src/mesa/main/teximage.c |    2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index 4fa7f0f..5ada94f 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -4732,6 +4732,8 @@ _mesa_CompressedTextureSubImage3D(GLuint texture, GLint level, GLint xoffset,
 
    texObj = _mesa_lookup_texture_err(ctx, texture,
                                      "glCompressedTextureSubImage3D");
+   if (!texObj)
+      return;
 
    _mesa_compressed_texture_sub_image(ctx, 3, texObj, texObj->Target, level,
                                       xoffset, yoffset, zoffset,