netdev - Re: [PATCH net-next] can: m_can: Constify struct m_can

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Message-ID: <20240624-cornflower-stoat-of-satiation-717464-mkl@pengutronix.de>
Date: Mon, 24 Jun 2024 08:08:27 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Christophe JAILLET <christophe.jaillet@...adoo.fr>
Cc: Chandrasekar Ramakrishnan <rcsekar@...sung.com>, 
	Vincent Mailhol <mailhol.vincent@...adoo.fr>, "David S. Miller" <davem@...emloft.net>, 
	Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, 
	Paolo Abeni <pabeni@...hat.com>, linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org, 
	linux-can@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] can: m_can: Constify struct m_can_ops

On 23.06.2024 22:01:50, Christophe JAILLET wrote:
> 'struct m_can_ops' is not modified in these drivers.
> 
> Constifying this structure moves some data to a read-only section, so
> increase overall security.
> 
> On a x86_64, with allmodconfig, as an example:
> Before:
> ======
>    text	   data	    bss	    dec	    hex	filename
>    4806	    520	      0	   5326	   14ce	drivers/net/can/m_can/m_can_pci.o
> 
> After:
> =====
>    text	   data	    bss	    dec	    hex	filename
>    4862	    464	      0	   5326	   14ce	drivers/net/can/m_can/m_can_pci.o
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>

Applied to linuc-can-next.

Thanks,
Marc


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