netdev - Re: [PATCH net-next v2 1/3] gve: Add support for raw addressing device option

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Message-ID: <20200922103226.1e8b90e8@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Tue, 22 Sep 2020 10:32:26 -0700
From:   Jakub Kicinski <kuba@...nel.org>
To:     David Awogbemila <awogbemila@...gle.com>
Cc:     netdev@...r.kernel.org, Catherine Sullivan <csully@...gle.com>,
        Yangchun Fu <yangchun@...gle.com>
Subject: Re: [PATCH net-next v2 1/3] gve: Add support for raw addressing
 device option

On Tue, 22 Sep 2020 08:50:58 -0700 David Awogbemila wrote:
> +	dev_opt = (struct gve_device_option *)((void *)descriptor +
> +							sizeof(*descriptor));

You don't need to cast void pointers to types.

The idiomatic way to get end of structure in C is: &descriptor[1] or
descriptor + 1.