kconfig: add xstrdup() helper

[carl9170fw.git] / config / symbol.c

diff --git a/config/symbol.c b/config/symbol.c
index 60a76f958f334e2a52bc38e3dbb7a87454a8b023..2220bc4b051bd914e34bd20beb351b98da5ecc86 100644 (file)
--- a/config/symbol.c
+++ b/config/symbol.c
@@ -183,7 +183,7 @@ static void sym_validate_range(struct symbol *sym)
                sprintf(str, "%lld", val2);
        else
                sprintf(str, "0x%llx", val2);
-       sym->curr.val = strdup(str);
+       sym->curr.val = xstrdup(str);
 }
 
 static void sym_set_changed(struct symbol *sym)
@@ -849,7 +849,7 @@ struct symbol *sym_lookup(const char *name, int flags)
                                   : !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE))))
                                return symbol;
                }
-               new_name = strdup(name);
+               new_name = xstrdup(name);
        } else {
                new_name = NULL;
                hash = 0;
@@ -899,7 +899,7 @@ struct symbol *sym_find(const char *name)
  * name to be expanded shall be prefixed by a '$'. Unknown symbol expands to
  * the empty string.
  */
-const char *sym_expand_string_value(const char *in)
+char *sym_expand_string_value(const char *in)
 {
        const char *src;
        char *res;