Re: [PATCH] scripts/kconfig/menu.c: warning: jump may be useduninitialized in this function

From: Christian Kujau
Date: Sun Oct 27 2013 - 22:03:26 EST


On Sun, 27 Oct 2013 at 18:28, Christian Kujau wrote:
> While doing "make oldconfig" on 3.12-rc7 with gcc-4.7.2 (Debian), the
> following warning is printed:
>
> HOSTCC scripts/kconfig/zconf.tab.o
> In file included from scripts/kconfig/zconf.tab.c:2537:0:
> /usr/local/src/linux-git/scripts/kconfig/menu.c: In function âget_symbol_strâ:
> /usr/local/src/linux-git/scripts/kconfig/menu.c:586:18: warning: âjumpâ may be used uninitialized in this function [-Wmaybe-uninitialized]
> /usr/local/src/linux-git/scripts/kconfig/menu.c:547:19: note: âjumpâ was declared here

Grrr, only after I sent this message I found this was reported in
September already by Madhavan Srinivasan: https://lkml.org/lkml/2013/9/19/24

Does anybody know the state of this fix?

Thanks,
Christian.

> The following patch seems to fix that:
>
> Signed-off-by: Christian Kujau <lists@xxxxxxxxxxxxxxx>
>
> diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
> index c1d5320..23b1827 100644
> --- a/scripts/kconfig/menu.c
> +++ b/scripts/kconfig/menu.c
> @@ -544,7 +544,7 @@ static void get_prompt_str(struct gstr *r, struct property *prop,
> {
> int i, j;
> struct menu *submenu[8], *menu, *location = NULL;
> - struct jump_key *jump;
> + struct jump_key *jump = NULL;
>
> str_printf(r, _("Prompt: %s\n"), _(prop->text));
> menu = prop->menu->parent;
>
>
> Christian.
> --
> BOFH excuse #177:
>
> sticktion
> --
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--
BOFH excuse #449:

greenpeace free'd the mallocs
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