From: Thierry Reding <thierry.reding@gmail.com>
To: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: Wim Van Sebroeck <wim@iguana.be>,
kernel-janitors@vger.kernel.org,
Guenter Roeck <linux@roeck-us.net>,
Stephen Warren <swarren@wwwdotorg.org>,
Alexandre Courbot <gnurou@gmail.com>,
linux-watchdog@vger.kernel.org, linux-tegra@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] watchdog: tegra: constify watchdog_ops structures
Date: Tue, 6 Sep 2016 11:13:11 +0200 [thread overview]
Message-ID: <20160906091311.GD15644@ulmo.ba.sec> (raw)
In-Reply-To: <1472751326-22897-2-git-send-email-Julia.Lawall@lip6.fr>
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On Thu, Sep 01, 2016 at 07:35:25PM +0200, 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@lip6.fr>
>
> ---
> drivers/watchdog/tegra_wdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Acked-by: Thierry Reding <treding@nvidia.com>
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next prev parent reply other threads:[~2016-09-06 9:14 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-01 17:35 [PATCH 0/2] constify watchdog_ops structures Julia Lawall
2016-09-01 17:35 ` [PATCH 1/2] watchdog: tegra: " Julia Lawall
2016-09-06 9:13 ` Thierry Reding [this message]
2016-09-09 4:28 ` Guenter Roeck
2016-09-01 17:35 ` [PATCH 2/2] watchdog: " Julia Lawall
2016-09-09 4:29 ` Guenter Roeck
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