[U-Boot] [PATCH v3 1/3] net: Prefer command line arguments

[Joe Hershberger]

On Fri, Jun 15, 2018 at 3:29 AM, Alexander Graf <agraf at suse.de> wrote:
> We can call commands like dhcp and bootp without arguments or with
> explicit command line arguments that really should tell the code where
> to look for files instead.
>
> Unfortunately, the current code simply overwrites command line arguments
> in the dhcp case with dhcp values.
>
> This patch allows the code to preserve the command line values if they
> were set on the command line. That way the semantics are slightly more
> intuitive.
>
> The reason this patch does that by introducing a new variable is that we
> can not rely on net_boot_file_name[0] being unset, as today it's
> completely legal to call "dhcp" and afterwards run "tftp" and expect the
> latter to repeat the same query as before. I would prefer not to break
> that behavior in case anyone relies on it.
>
> Signed-off-by: Alexander Graf <agraf at suse.de>

Acked-by: Joe Hershberger <joe.hershberger at ni.com>