linux-kernel - Re: [PATCH 1/3] ibmvsci: make parameters max_id and max

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Date:	Fri, 11 Sep 2015 10:52:51 +1000
From:	David Gibson <dgibson@...hat.com>
To:	Laurent Vivier <lvivier@...hat.com>
Cc:	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	"James E.J. Bottomley" <JBottomley@...n.com>,
	Tyrel Datwyler <tyreld@...ux.vnet.ibm.com>, thuth@...hat.com,
	pbonzini@...hat.com
Subject: Re: [PATCH 1/3] ibmvsci: make parameters max_id and max_channel
 read-only

On Thu, 10 Sep 2015 11:23:12 +0200
Laurent Vivier <lvivier@...hat.com> wrote:

> The value of the parameter is never re-read by the driver,
> so a new value is ignored. Let know the user he
> can't modify it by removing writable attribute.
> 
> Signed-off-by: Laurent Vivier <lvivier@...hat.com>

Reviewed-by: David Gibson <david@...son.dropbear.id.au>

> ---
> I resend this patch as James was not cc'ed.
> 
>  drivers/scsi/ibmvscsi/ibmvscsi.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
> index 6a41c36..3e76490 100644
> --- a/drivers/scsi/ibmvscsi/ibmvscsi.c
> +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
> @@ -105,9 +105,9 @@ MODULE_AUTHOR("Dave Boutcher");
>  MODULE_LICENSE("GPL");
>  MODULE_VERSION(IBMVSCSI_VERSION);
>  
> -module_param_named(max_id, max_id, int, S_IRUGO | S_IWUSR);
> +module_param_named(max_id, max_id, int, S_IRUGO);
>  MODULE_PARM_DESC(max_id, "Largest ID value for each channel");
> -module_param_named(max_channel, max_channel, int, S_IRUGO | S_IWUSR);
> +module_param_named(max_channel, max_channel, int, S_IRUGO);
>  MODULE_PARM_DESC(max_channel, "Largest channel value");
>  module_param_named(init_timeout, init_timeout, int, S_IRUGO | S_IWUSR);
>  MODULE_PARM_DESC(init_timeout, "Initialization timeout in seconds");
> -- 
> 2.1.0
> 


-- 
David Gibson <dgibson@...hat.com>
Senior Software Engineer, Virtualization, Red Hat

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