[PATCH] devtools: catch empty symbol maps

[Bruce Richardson]

On Mon, Nov 14, 2022 at 03:16:51PM +0100, David Marchand wrote:
> version.map are now optional for drivers if no symbol is exported.
> Having no symbol exported from a library does not make sense.
> 
> Catch all empty maps and warn about them.
> 
> Example:
> $ ./devtools/check-symbol-maps.sh
> Found empty maps:
> drivers/crypto/uadk/version.map
> drivers/net/gve/version.map
> drivers/net/idpf/version.map
> 
> Signed-off-by: David Marchand <david.marchand at redhat.com>
> ---

Acked-by: Bruce Richardson <bruce.richardson at intel.com>