kconfig: Don't leak choice names during parsing

The named choice is not used in the kernel tree, but if it were used,
it would not be freed.

The intention of the named choice can be seen in the log of
commit 5a1aa8a1af ("kconfig: add named choice group").

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Reviewed-by: Ulf Magnusson <ulfalizer@gmail.com>
This commit is contained in:
Masahiro Yamada 2018-02-20 20:40:29 +09:00
parent 1b1e4ee86e
commit bf0bbdcf10

View File

@ -276,6 +276,7 @@ choice: T_CHOICE word_opt T_EOL
sym->flags |= SYMBOL_AUTO;
menu_add_entry(sym);
menu_add_expr(P_CHOICE, NULL, NULL);
free($2);
printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
};