From 6bd39e10378f2040894297fb77c543585a8105f0 Mon Sep 17 00:00:00 2001
From: rlar <rlar>
Date: Sun, 11 Mar 2012 21:41:55 +0100
Subject: [PATCH] submod, doit() `submod0' is a true local variable

   submod0 is only aceesd in doit,
     always set NULL on entry,
     (almost) always restored on return

   was not restored on error ...
     fixme check this changed behaviour
---
 src/frontend/subckt.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/frontend/subckt.c b/src/frontend/subckt.c
index 25a7e4f84..404b80f32 100644
--- a/src/frontend/subckt.c
+++ b/src/frontend/subckt.c
@@ -119,7 +119,7 @@ struct subs {
  * list of translated names (i.e. after subckt expansion)
  */
 
-static wordlist *modnames, *submod0;
+static wordlist *modnames;
 static bool nobjthack = FALSE;
 /* flag indicating use of the experimental numparams library */
 static bool use_numparams = FALSE;
@@ -400,12 +400,11 @@ doit(struct line *deck) {
     int numpasses = MAXNEST;
     bool gotone;
     wordlist *tmodnames = modnames;
-    wordlist *tsubmod = submod0;
     int error;
 
     /* Save all the old stuff... */
     struct subs *subs = NULL;
-    submod0 = NULL;
+    wordlist *submod0 = NULL;
 
 #ifdef TRACE
     /* SDB debug statement */
@@ -686,7 +685,6 @@ doit(struct line *deck) {
         return NULL;	/* error message already reported; should free( ) */
 
     modnames = tmodnames;
-    submod0 = tsubmod;
     /*
     struct subs {
         char *su_name;