ieee802154: Use netlink policies when relevant on scan parameters
Instead of open-coding scan parameters (page, channels, duration, etc), let's use the existing NLA_POLICY* macros. This help greatly reducing the error handling and clarifying the overall logic. Fixes: ed3557c9 ("ieee802154: Add support for user scanning requests") Suggested-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20230214135035.1202471-2-miquel.raynal@bootlin.comSigned-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
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