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Message-ID: <98ff5cce-a0bb-4ee6-839f-ce64589ffee6@intel.com>
Date: Mon, 5 Feb 2024 10:23:24 -0700
From: Dave Jiang <dave.jiang@...el.com>
To: "Ricardo B. Marliere" <ricardo@...liere.net>, Jon Mason
<jdmason@...zu.us>, Allen Hubbe <allenbh@...il.com>
Cc: ntb@...ts.linux.dev, linux-kernel@...r.kernel.org,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH 1/2] ntb: ntb_transport: make ntb_transport_bus const
On 2/4/24 9:22 AM, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the ntb_transport_bus variable to be a constant structure as well,
> placing it into read-only memory which can not be modified at runtime.
>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
Reviewed-by: Dave Jiang <dave.jiang@...el.com>
> ---
> drivers/ntb/ntb_transport.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
> index f9e7847a378e..0291d80611dc 100644
> --- a/drivers/ntb/ntb_transport.c
> +++ b/drivers/ntb/ntb_transport.c
> @@ -314,7 +314,7 @@ static void ntb_transport_bus_remove(struct device *dev)
> put_device(dev);
> }
>
> -static struct bus_type ntb_transport_bus = {
> +static const struct bus_type ntb_transport_bus = {
> .name = "ntb_transport",
> .match = ntb_transport_bus_match,
> .probe = ntb_transport_bus_probe,
>
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