From: Eric Anholt <eric@anholt.net>
Date: Wed, 7 Jul 2010 15:38:16 +0000 (-0700)
Subject: glsl2: Don't forget to walk the parameters to a function in the hv.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=773025b92c934014b9ceb4ebfdabcfc9d8587aa2;p=mesa.git

glsl2: Don't forget to walk the parameters to a function in the hv.

Fixes segfaults from use after free after the steal of ir nodes and
free of the compile context.
---

diff --git a/src/glsl/ir_hv_accept.cpp b/src/glsl/ir_hv_accept.cpp
index e772018a458..1a88c594394 100644
--- a/src/glsl/ir_hv_accept.cpp
+++ b/src/glsl/ir_hv_accept.cpp
@@ -116,6 +116,10 @@ ir_function_signature::accept(ir_hierarchical_visitor *v)
    if (s != visit_continue)
       return (s == visit_continue_with_parent) ? visit_continue : s;
 
+   s = visit_list_elements(v, &this->parameters);
+   if (s == visit_stop)
+      return s;
+
    s = visit_list_elements(v, &this->body);
    return (s == visit_stop) ? s : v->visit_leave(this);
 }