2 files changed, 7 insertions, 4 deletions
diff --git a/src/glu/sgi/libnurbs/interface/bezierPatch.cc b/src/glu/sgi/libnurbs/interface/bezierPatch.cc
index fa1daed52e..dbab3a1a2b 100644
--- a/src/glu/sgi/libnurbs/interface/bezierPatch.cc
+++ b/src/glu/sgi/libnurbs/interface/bezierPatch.cc
@@ -109,8 +109,11 @@ void bezierPatchDelete(bezierPatch *b)
 void bezierPatchDeleteList(bezierPatch *b)
 {
   bezierPatch *temp;
-  for(temp = b; temp != NULL; temp = temp->next)
-    bezierPatchDelete(temp);
+  while (b != NULL) {
+    temp = b;
+    b = b->next;
+    bezierPatchDelete(temp);    
+  }
 }
 
 bezierPatch* bezierPatchInsert(bezierPatch *list, bezierPatch *b)
diff --git a/src/glu/sgi/libnurbs/interface/insurfeval.cc b/src/glu/sgi/libnurbs/interface/insurfeval.cc
index 78d8bece13..9d0c82a91c 100644
--- a/src/glu/sgi/libnurbs/interface/insurfeval.cc
+++ b/src/glu/sgi/libnurbs/interface/insurfeval.cc
@@ -1531,8 +1531,8 @@ void OpenGLSurfaceEvaluator::inEvalVStrip(int n_left, REAL u_left, REAL* left_va
     }
   //clean up 
   free(leftXYZ);
-  free(leftXYZ);
-  free(rightNormal);
+  free(rightXYZ);
+  free(leftNormal);
   free(rightNormal);
 }