Re: [PATCH] cpcihp_generic: prevent loading without "bridge" parameter

From: Scott Murray
Date: Fri Oct 13 2006 - 14:11:44 EST


On Sat, 14 Oct 2006, Akinobu Mita wrote:

> cpcihp_generic module requires configured "bridge" module parameter.
> But it can be loaded successfully without that parameter.
> Because module init call ends up returning positive value.
>
> This patch prevents from loading without setting "bridge" module parameter.
>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxx>
> Cc: Scott Murray <scottm@xxxxxxxxxxxxxxxx>
> Signed-off-by: Akinbou Mita <akinobu.mita@xxxxxxxxx>

Signed-off-by: Scott Murray <scottm@xxxxxxxxxxxxxxxx>

> Index: work-fault-inject/drivers/pci/hotplug/cpcihp_generic.c
> ===================================================================
> --- work-fault-inject.orig/drivers/pci/hotplug/cpcihp_generic.c
> +++ work-fault-inject/drivers/pci/hotplug/cpcihp_generic.c
> @@ -84,7 +84,7 @@ static int __init validate_parameters(vo
>
> if(!bridge) {
> info("not configured, disabling.");
> - return 1;
> + return -EINVAL;
> }
> str = bridge;
> if(!*str)
> @@ -147,7 +147,7 @@ static int __init cpcihp_generic_init(vo
>
> info(DRIVER_DESC " version: " DRIVER_VERSION);
> status = validate_parameters();
> - if(status != 0)
> + if (status)
> return status;
>
> r = request_region(port, 1, "#ENUM hotswap signal register");

--
Scott Murray
SOMA Networks, Inc.
Toronto, Ontario
e-mail: scottm@xxxxxxxxxxxxxxxx
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