[PATCH] app/pdump: close program if --pdump argument is missing

[Stephen Hemminger]

On Wed,  2 Mar 2022 14:26:14 +0500
"usman.tanveer" <usman.tanveer at emumba.com> wrote:

> --pdump is a mandatory argument in pdump application.
> It should print usage and exit if --pdump argument
> is missing. The application is not closing and getting
> stuck. Made the change to print usage and exit when
> this argument is missing.
> 
> Signed-off-by: usman.tanveer <usman.tanveer at emumba.com>

Maybe pdump could just do something sane with no arguments.
That is one of the issues I tried to address by rewriting it.

Ideally, existing pdump can be deprecated and removed in 22.11?