[U-Boot] [PATCH 1/3] dm: Prevent "demo hello" and "demo status" segfaults

[Peter Tyser]

Hi Simon,

On Tue, 2015-02-03 at 13:18 -0600, Peter Tyser wrote:
> Segfaults can occur when a mandatory argument is not provided to
> "demo hello" and "demo status".  Eg:
> 
>    => demo hello
>    Segmentation fault (core dumped)
> 
> Add a check to ensure all required arguments are provided.
> 
> Signed-off-by: Peter Tyser <ptyser at xes-inc.com>

The "1/3" in the subject line is an error - there are no other
patches in the series.

Peter