glibc/glibc-rh816647.patch

2012-09-20  Jeff Law <law@redhat.com>

	[BZ #14594]
	* iconv/gconv_cache.c (find_module): Demangle function pointer
	before testing it.
	* iconv/gconv_db.c (free_derivation): Likewise.
	(__gconv_release_step, gen_steps, increment_counter): Likewise.

diff --git a/iconv/gconv_cache.c b/iconv/gconv_cache.c
index 90b6cff..9e23708 100644
--- a/iconv/gconv_cache.c
+++ b/iconv/gconv_cache.c
@@ -1,5 +1,5 @@
 /* Cache handling for iconv modules.
-   Copyright (C) 2001, 2002, 2003, 2005, 2007 Free Software Foundation, Inc.
+   Copyright (C) 2001-2003, 2005, 2007, 2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 2001.
 
@@ -206,13 +206,13 @@ find_module (const char *directory, const char *filename,
       result->__btowc_fct = NULL;
       result->__data = NULL;
 
-      /* Call the init function.  */
-      if (result->__init_fct != NULL)
-	{
-	  __gconv_init_fct init_fct = result->__init_fct;
+      __gconv_init_fct init_fct = result->__init_fct;
 #ifdef PTR_DEMANGLE
-	  PTR_DEMANGLE (init_fct);
+      PTR_DEMANGLE (init_fct);
 #endif
+      /* Call the init function.  */
+      if (init_fct != NULL)
+	{
 	  status = DL_CALL_FCT (init_fct, (result));
 
 #ifdef PTR_MANGLE
diff --git a/iconv/gconv_db.c b/iconv/gconv_db.c
index 01015e8..7f91c7d 100644
--- a/iconv/gconv_db.c
+++ b/iconv/gconv_db.c
@@ -179,16 +179,17 @@ free_derivation (void *p)
   size_t cnt;
 
   for (cnt = 0; cnt < deriv->nsteps; ++cnt)
-    if (deriv->steps[cnt].__counter > 0
-	&& deriv->steps[cnt].__end_fct != NULL)
+    if (deriv->steps[cnt].__counter > 0)
       {
-	assert (deriv->steps[cnt].__shlib_handle != NULL);
-
 	__gconv_end_fct end_fct = deriv->steps[cnt].__end_fct;
 #ifdef PTR_DEMANGLE
 	PTR_DEMANGLE (end_fct);
 #endif
-	DL_CALL_FCT (end_fct, (&deriv->steps[cnt]));
+	if (end_fct != NULL)
+	  {
+	    assert (deriv->steps[cnt].__shlib_handle != NULL);
+	    DL_CALL_FCT (end_fct, (&deriv->steps[cnt]));
+	  }
       }
 
   /* Free the name strings.  */
@@ -211,15 +212,15 @@ __gconv_release_step (struct __gconv_step *step)
   /* Skip builtin modules; they are not reference counted.  */
   if (step->__shlib_handle != NULL && --step->__counter == 0)
     {
+      __gconv_end_fct end_fct = step->__end_fct;
+#ifdef PTR_DEMANGLE
+      PTR_DEMANGLE (end_fct);
+#endif
       /* Call the destructor.  */
-      if (step->__end_fct != NULL)
+      if (end_fct != NULL)
 	{
 	  assert (step->__shlib_handle != NULL);
 
-	  __gconv_end_fct end_fct = step->__end_fct;
-#ifdef PTR_DEMANGLE
-	  PTR_DEMANGLE (end_fct);
-#endif
 	  DL_CALL_FCT (end_fct, (step));
 	}
 
@@ -293,13 +294,13 @@ gen_steps (struct derivation_step *best, const char *toset,
 
 	      /* Call the init function.  */
 	      __gconv_init_fct init_fct = result[step_cnt].__init_fct;
+# ifdef PTR_DEMANGLE
+	      PTR_DEMANGLE (init_fct);
+# endif
 	      if (init_fct != NULL)
 		{
 		  assert (result[step_cnt].__shlib_handle != NULL);
 
-# ifdef PTR_DEMANGLE
-		  PTR_DEMANGLE (init_fct);
-# endif
 		  status = DL_CALL_FCT (init_fct, (&result[step_cnt]));
 
 		  if (__builtin_expect (status, __GCONV_OK) != __GCONV_OK)
@@ -393,11 +394,11 @@ increment_counter (struct __gconv_step *steps, size_t nsteps)
 
 	  /* Call the init function.  */
 	  __gconv_init_fct init_fct = step->__init_fct;
-	  if (init_fct != NULL)
-	    {
 #ifdef PTR_DEMANGLE
-	      PTR_DEMANGLE (init_fct);
+	  PTR_DEMANGLE (init_fct);
 #endif
+	  if (init_fct != NULL)
+	    {
 	      DL_CALL_FCT (init_fct, (step));
 
 #ifdef PTR_MANGLE