check for target instead of program->Target in _tnl_program_string, avoids segfault...

diff --git a/src/mesa/tnl/t_vb_arbprogram.c b/src/mesa/tnl/t_vb_arbprogram.c
index 71fb45dd95c1b7c6cac7b9e9f7d2a2c1cc801d26..bf4c1d52237c4e9fb0f39bdb8778d473017542e8 100644 (file)
--- a/src/mesa/tnl/t_vb_arbprogram.c
+++ b/src/mesa/tnl/t_vb_arbprogram.c
@@ -1529,7 +1529,7 @@ const struct tnl_pipeline_stage _tnl_arb_vertex_program_stage =
 void
 _tnl_program_string(GLcontext *ctx, GLenum target, struct gl_program *program)
 {
-   if (program->Target == GL_VERTEX_PROGRAM_ARB) {
+   if (target == GL_VERTEX_PROGRAM_ARB) {
       /* free any existing tnl data hanging off the program */
       struct gl_vertex_program *vprog = (struct gl_vertex_program *) program;
       if (vprog->TnlData) {