[U-Boot] [PATCH] cmd_nand: show nand scrub confirmation character

[Scott Wood <scottwood@freescale.com>]

On Fri, Mar 19, 2010 at 04:06:16PM +0100, Florian Fainelli wrote:
> When issuing a nand scrub command, the entered character is not displayed
> this may be confusing. This patch makes the input character being displayed
> if it is a 'y' so that an user knows he is about to scrub his nand.
> 
> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
> ---
> diff --git a/common/cmd_nand.c b/common/cmd_nand.c
> index 075a8af..69cc0a8 100644
> --- a/common/cmd_nand.c
> +++ b/common/cmd_nand.c
> @@ -327,8 +327,10 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
>  			     "are sure of what you are doing!\n"
>  			     "\nReally scrub this NAND flash? <y/N>\n");
>  
> -			if (getc() == 'y' && getc() == '\r') {
> -				opts.scrub = 1;
> +			if (getc() == 'y') {
> +				puts("y");
> +				if (getc() == '\r')
> +					opts.scrub = 1;
>  			} else {
>  				puts("scrub aborted\n");
>  				return -1;
> 

You're changing the behavior in case the user presses y and then does
something other than hit return.  You won't set scrub = 1, but you'll
continue with the erase rather than printing "scrub aborted" and returning.

-Scott