From: Vinson Lee <vlee@vmware.com>
Date: Sun, 28 Feb 2010 00:30:49 +0000 (-0800)
Subject: mga: Add assert to check for null pointer dereference.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=689249bcbe96e2655aac29569ba36554bee1c503;p=mesa.git

mga: Add assert to check for null pointer dereference.
---

diff --git a/src/mesa/drivers/dri/mga/mgatexmem.c b/src/mesa/drivers/dri/mga/mgatexmem.c
index 47be6f3c185..58afbbb279e 100644
--- a/src/mesa/drivers/dri/mga/mgatexmem.c
+++ b/src/mesa/drivers/dri/mga/mgatexmem.c
@@ -222,6 +222,7 @@ int mgaUploadTexImages( mgaContextPtr mmesa, mgaTextureObjectPtr t )
 	 return -1;
       }
 
+      assert(t->base.memBlock);
       ofs = mmesa->mgaScreen->textureOffset[ heap ]
 	   + t->base.memBlock->ofs;