netdev - require EXPORT_SYMBOL_GPL symbols for symbol

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Date: Mon, 31 Jul 2023 10:38:01 +0200
From: Christoph Hellwig <hch@....de>
To: Luis Chamberlain <mcgrof@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Daniel Mack <daniel@...que.org>,
	Haojian Zhuang <haojian.zhuang@...il.com>,
	Robert Jarzmik <robert.jarzmik@...e.fr>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Yangbo Lu <yangbo.lu@....com>,
	Joshua Kinard <kumba@...too.org>
Cc: Daniel Vetter <daniel.vetter@...ll.ch>,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org (open list),
	linux-mmc@...r.kernel.org,
	netdev@...r.kernel.org,
	linux-rtc@...r.kernel.org,
	linux-modules@...r.kernel.org
Subject: require EXPORT_SYMBOL_GPL symbols for symbol_get

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.