mesa: Fix array out-of-bounds access by _mesa_Fogi.

_mesa_Fogi calls _mesa_Fogfv, which uses the params argument
as an array.

diff --git a/src/mesa/main/fog.c b/src/mesa/main/fog.c
index 4323d3db8206a19c57a038f482e67164bd57d04d..99eb141812eed3b47c473e5d6e0541ac13834cb1 100644 (file)
--- a/src/mesa/main/fog.c
+++ b/src/mesa/main/fog.c
@@ -41,8 +41,10 @@ _mesa_Fogf(GLenum pname, GLfloat param)
 void GLAPIENTRY
 _mesa_Fogi(GLenum pname, GLint param )
 {
-   GLfloat fparam = (GLfloat) param;
-   _mesa_Fogfv(pname, &fparam);
+   GLfloat fparam[4];
+   fparam[0] = (GLfloat) param;
+   fparam[1] = fparam[2] = fparam[3] = 0.0F;
+   _mesa_Fogfv(pname, fparam);
 }