linux-kernel - Re: watchdog: mei_wdt: constify mei_cl_device

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Date:   Tue, 29 Aug 2017 20:28:29 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     tomas.winkler@...el.com, wim@...ana.be,
        linux-kernel@...r.kernel.org, linux-watchdog@...r.kernel.org
Subject: Re: watchdog: mei_wdt: constify mei_cl_device_id

On Sat, Aug 26, 2017 at 11:41:06AM +0530, Arvind Yadav wrote:
> mei_cl_device_id are not supposed to change at runtime. All functions
> working with mei_cl_device_id provided by <linux/mei_cl_bus.h> work
> with const mei_cl_device_id. So mark the non-const structs as const.
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>

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

> ---
>  drivers/watchdog/mei_wdt.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/watchdog/mei_wdt.c b/drivers/watchdog/mei_wdt.c
> index b29c6fd..ea60b29 100644
> --- a/drivers/watchdog/mei_wdt.c
> +++ b/drivers/watchdog/mei_wdt.c
> @@ -670,7 +670,7 @@ static int mei_wdt_remove(struct mei_cl_device *cldev)
>  #define MEI_UUID_WD UUID_LE(0x05B79A6F, 0x4628, 0x4D7F, \
>  			    0x89, 0x9D, 0xA9, 0x15, 0x14, 0xCB, 0x32, 0xAB)
>  
> -static struct mei_cl_device_id mei_wdt_tbl[] = {
> +static const struct mei_cl_device_id mei_wdt_tbl[] = {
>  	{ .uuid = MEI_UUID_WD, .version = MEI_CL_VERSION_ANY },
>  	/* required last entry */
>  	{ }