From: Brian Paul <brianp@vmware.com>
Date: Wed, 9 Dec 2009 15:30:01 +0000 (-0700)
Subject: mesa: fix baseLevel >= MAX_TEXTURE_LEVELS test
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3de8fff45d04fd7e702cd656ba97cafd348c3981;p=mesa.git

mesa: fix baseLevel >= MAX_TEXTURE_LEVELS test

This fixes invalid array indexing when baseLevel == MAX_TEXTURE_LEVELS.
See bug 25528.
---

diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index da55ac8697d..85f5f78e509 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -418,7 +418,7 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
    /* Detect cases where the application set the base level to an invalid
     * value.
     */
-   if ((baseLevel < 0) || (baseLevel > MAX_TEXTURE_LEVELS)) {
+   if ((baseLevel < 0) || (baseLevel >= MAX_TEXTURE_LEVELS)) {
       char s[100];
       _mesa_sprintf(s, "base level = %d is invalid", baseLevel);
       incomplete(t, s);