Mesa (mesa_7_6_branch): mesa: Fix array out-of-bounds access in _mesa_TexEnvf.

[Vinson Lee]

Module: Mesa
Branch: mesa_7_6_branch
Commit: fe8e18bcd41a19282ba92350a04a34866fda1d7b
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=fe8e18bcd41a19282ba92350a04a34866fda1d7b

Author: Vinson Lee <vlee at vmware.com>
Date:   Sat Nov 28 22:04:06 2009 -0500

mesa: Fix array out-of-bounds access in _mesa_TexEnvf.

_mesa_TexEnvf calls _mesa_TexEnvfv, which uses the param argument
as an array.
(cherry picked from commit a11d60d14caf8efc07f70af63b57b33273f8cf9b)

---

 src/mesa/main/texenv.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/src/mesa/main/texenv.c b/src/mesa/main/texenv.c
index 6d86a42..4442fb8 100644
--- a/src/mesa/main/texenv.c
+++ b/src/mesa/main/texenv.c
@@ -598,7 +598,10 @@ _mesa_TexEnvfv( GLenum target, GLenum pname, const GLfloat *param )
 void GLAPIENTRY
 _mesa_TexEnvf( GLenum target, GLenum pname, GLfloat param )
 {
-   _mesa_TexEnvfv( target, pname, &param );
+   GLfloat p[4];
+   p[0] = param;
+   p[1] = p[2] = p[3] = 0.0;
+   _mesa_TexEnvfv( target, pname, p );
 }