[PATCH] commands/led.c: check registered LEDs

[Sascha Hauer]

On Tue, Aug 02, 2011 at 11:08:36AM +0400, Antony Pavlov wrote:
> Signed-off-by: Antony Pavlov <antonynpavlov at gmail.com>
> ---
>  commands/led.c |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)

Applied to master.

Thanks,
  Sascha

> 
> diff --git a/commands/led.c b/commands/led.c
> index afb3fd3..774ba31 100644
> --- a/commands/led.c
> +++ b/commands/led.c
> @@ -37,6 +37,12 @@ static int do_led(struct command *cmdtp, int argc, char *argv[])
>  	if (argc == 1) {
>  		int i = 0;
>  
> +		led = led_by_number(i);
> +		if (!led) {
> +			printf("no registered LEDs\n");
> +			return COMMAND_ERROR;
> +		}
> +
>  		printf("registered LEDs:\n");
>  
>  		while ((led = led_by_number(i))) {
> -- 
> 1.7.5.4
> 
> 
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