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From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH 25/26] pch_gbe: constify local structures
Date: Mon, 12 Sep 2016 09:33:00 -0700 (PDT)
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From: Julia Lawall <julia.lawall@lip6.fr>
Date: Mon, 12 Sep 2016 11:07:15 +0200 (CEST)

> So foo is protected, but its lifetime of interest is quite short.  But we
> can't set the ops field of the type of xxx to be const either, because it
> is obviously not - the code above modifies it.

You can definitely make it a pointer to a const thing.

Just like "netdev_ops" in struct net_device is const.