Re: [PATCH 2.6 NET] Fix ifmap alignment issues over rtnetlink

[Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>]

Thomas Graf <tgraf@xxxxxxx> wrote:
>
> @@ -277,6 +277,9 @@
>                dev_change_flags(dev, ifm->ifi_flags);
> 
>        if (ida[IFLA_MAP - 1]) {
> +               struct rtnl_link_ifmap *u_map;
> +               struct ifmap k_map;
> +
>                if (!dev->set_config) {
>                        err = -EOPNOTSUPP;
>                        goto out;
> @@ -287,11 +290,19 @@

<snipped>

> +               err = dev->set_config(dev, (struct ifmap *) &k_map);

What's this cast for?
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