free read_symbol_name string

[Alan Modra]

read_symbol_name mallocs the string it returns.  Free it when done.

	* read.c (read_symbol_name): Free name on error path.
	* config/tc-ppc.c (ppc_GNU_visibility): Free name returned from
	read_symbol_name.
	(ppc_extern, ppc_globl, ppc_weak): Likewise.

diff --git a/gas/config/tc-ppc.c b/gas/config/tc-ppc.c
index 4d789fd16a9..5f2c41621b4 100644
--- a/gas/config/tc-ppc.c
+++ b/gas/config/tc-ppc.c
@@ -4231,6 +4231,7 @@ static void ppc_GNU_visibility (int visibility) {
       if ((name = read_symbol_name ()) == NULL)
 	break;
       symbolP = symbol_find_or_make (name);
+      free (name);
       coffsym = coffsymbol (symbol_get_bfdsym (symbolP));
 
       coffsym->native->u.syment.n_type &= ~SYM_V_MASK;
@@ -4837,6 +4838,7 @@ ppc_extern (int ignore ATTRIBUTE_UNUSED)
     return;
 
   sym = symbol_find_or_make (name);
+  free (name);
 
   if (*input_line_pointer == ',')
     {
@@ -4872,6 +4874,7 @@ ppc_globl (int ignore ATTRIBUTE_UNUSED)
     return;
 
   sym = symbol_find_or_make (name);
+  free (name);
   S_SET_EXTERNAL (sym);
 
   if (*input_line_pointer == ',')
@@ -4908,6 +4911,7 @@ ppc_weak (int ignore ATTRIBUTE_UNUSED)
     return;
 
   sym = symbol_find_or_make (name);
+  free (name);
   S_SET_WEAK (sym);
 
   if (*input_line_pointer == ',')
diff --git a/gas/read.c b/gas/read.c
index c6ce0345892..35446ff0f8b 100644
--- a/gas/read.c
+++ b/gas/read.c
@@ -1699,6 +1699,7 @@ read_symbol_name (void)
     {
       as_bad (_("expected symbol name"));
       ignore_rest_of_line ();
+      free (start);
       return NULL;
     }
 

-- 
Alan Modra
Australia Development Lab, IBM