Re: [PATCH 2/6] net: ethernet: et131x: constify ethtool_ops structures

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On Wed, Aug 31, 2016 at 09:30:44AM +0200, Julia Lawall wrote:
> Check for ethtool_ops structures that are only stored in the ethtool_ops
> field of a net_device structure or passed as the second argument to
> netdev_set_default_ethtool_ops.  These contexts are declared const, so
> ethtool_ops structures that have these properties can be declared as const
> also.
> 
> The semantic patch that makes this change is as follows:
> (http://coccinelle.lip6.fr/)
> 
> // <smpl>
> @r disable optional_qualifier@
> identifier i;
> position p;
> @@
> static struct ethtool_ops i@p = { ... };
> 
> @ok1@
> identifier r.i;
> struct net_device e;
> position p;
> @@
> e.ethtool_ops = &i@p;
> 
> @ok2@
> identifier r.i;
> expression e;
> position p;
> @@
> netdev_set_default_ethtool_ops(e, &i@p)
> 
> @bad@
> position p != {r.p,ok1.p,ok2.p};
> identifier r.i;
> @@
> i@p
> 
> @depends on !bad disable optional_qualifier@
> identifier r.i;
> @@
> static
> +const
>  struct ethtool_ops i = { ... };
> // </smpl>
> 
> Signed-off-by: Julia Lawall <Julia.Lawall@xxxxxxx>

Looks good, thanks.

Acked-by: Mark Einon <mark.einon@xxxxxxxxx>
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