require EXPORT_SYMBOL_GPL symbols for symbol_get

[Greg Kroah-Hartman]

On Mon, Jul 31, 2023 at 10:38:01AM +0200, Christoph Hellwig wrote:
> Hi all,
> 
> this series changes symbol_get to only work on EXPORT_SYMBOL_GPL
> as nvidia is abusing the lack of this check to bypass restrictions
> on importing symbols from proprietary modules.

For the whole series:

Reviewed-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>