check for target instead of program->Target in _tnl_program_string, avoids segfault if program is NULL

2006-11-29 22:16:16 +00:00
parent ac8620f375
commit e731d8aafa
1 changed files with 1 additions and 1 deletions
--- 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) {