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Message-ID: <d0b260e7-1f71-35e3-3b8c-2c71495431bf@roeck-us.net>
Date:   Thu, 8 Sep 2016 21:29:13 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Julia Lawall <Julia.Lawall@...6.fr>,
        Wim Van Sebroeck <wim@...ana.be>
Cc:     kernel-janitors@...r.kernel.org, linux-watchdog@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] watchdog: constify watchdog_ops structures

On 09/01/2016 10:35 AM, Julia Lawall wrote:
> Check for watchdog_ops structures that are only stored in the ops field of
> a watchdog_device structure.  This field is declared const, so watchdog_ops
> structures that have this property 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 watchdog_ops i@p = { ... };
>
> @ok@
> identifier r.i;
> struct watchdog_device e;
> position p;
> @@
> e.ops = &i@p;
>
> @bad@
> position p != {r.p,ok.p};
> identifier r.i;
> struct watchdog_ops e;
> @@
> e@i@p
>
> @depends on !bad disable optional_qualifier@
> identifier r.i;
> @@
> static
> +const
>  struct watchdog_ops i = { ... };
> // </smpl>
>
> Signed-off-by: Julia Lawall <Julia.Lawall@...6.fr>
>


Reviewed-by: Guenter Roeck <linux@...ck-us.net>


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