On Mon, Aug 02, 2010 at 11:59:31AM +0200, Andrej Gelenberg wrote:
quoted text
> there is a small bug in nconf, which cause segfault in empty menus
> (press right arrow in empty menu). Patch is attached.
> 
> Regards,
> Andrej Gelenberg

quoted text
> From 60265c2f3db2616d3dc493785a47a301f73419bd Mon Sep 17 00:00:00 2001
> From: Andrej Gelenberg <andrej.gelenberg@udo.edu>
> Date: Mon, 2 Aug 2010 11:41:36 +0200
> Subject: [PATCH] nconfig: Fix segfault when menu is empty
> 
> nconf crush with segfault if press right arrow in empty menu.
> 
> Signed-off-by: Andrej Gelenberg <andrej.gelenberg@udo.edu>
> ---
>  scripts/kconfig/nconf.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/scripts/kconfig/nconf.c b/scripts/kconfig/nconf.c
> index 762caf8..3db3ca6 100644
> --- a/scripts/kconfig/nconf.c
> +++ b/scripts/kconfig/nconf.c
> @@ -676,6 +676,7 @@ static void *item_data(void)
>  	struct mitem *mcur;
>  
>  	cur = current_item(curses_menu);
> +	if ( ! cur ) return NULL;
>  	mcur = (struct mitem *) item_userptr(cur);
>  	return mcur->usrptr;

Applied after fixing indentation (see Documentation/CodingStyle).

Michal
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