avoid double free for SIR/SDR parameter strings in case of a consistency

check error


git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@1454 b68d4a1b-bc3d-0410-92ed-d4ac073336b7

jtag/ChangeLog

@@ -1,5 +1,8 @@
 2009-03-08  Arnim Laeuger  <arniml>
 
+  * src/svf/svf.c: avoid double free for SIR/SDR parameter strings in case
+    of a consistency check error
+
   * src/bsdl/bsdl_sem.c: avoid leading space when printing commands
 
 2009-03-07  Arnim Laeuger  <arniml>

jtag/src/svf/svf.c

@@ -824,15 +824,15 @@ svf_sxr(chain_t *chain, parser_priv_t *priv, enum generic_irdr_coding ir_dr,
     sxr_params->no_tdi = 0;
   }
 
-  /* result of consistency check */
-  if (!result)
-    return(0);
-
   /* take over responsability for free'ing parameter strings */
   params->tdi   = NULL;
   params->mask  = NULL;
   params->smask = NULL;
 
+  /* result of consistency check */
+  if (!result)
+    return(0);
+
 
   /*
    * handle tap registers