Re: [patch] acpi: silence kmemcheck false positive

[Dan Carpenter <error27@gmail.com>]

Oops.  I forgot to add Christian to the CC list.  Added.

regards,
dan carpenter

On Thu, Apr 22, 2010 at 09:43:46PM +0200, Dan Carpenter wrote:
> This addresses: https://bugzilla.kernel.org/show_bug.cgi?id=14998
> 
> We copy some strings into "event" and kmemcheck complains that the bytes 
> after the NULL terminators are uninitialized.  That's true but it's
> harmless.  The "event" struct is used in acpi_system_read_event() and we
> don't read past the terminator.
> 
> This patch just silences the warning.
> 
> Reported-by: Christian Casteyde <casteyde.christian@free.fr>
> Signed-off-by: Dan Carpenter <error27@gmail.com>
> Tested-by: Christian Casteyde <casteyde.christian@free.fr>
> 
> diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
> index 37132dc..4ef7c97 100644
> --- a/drivers/acpi/bus.c
> +++ b/drivers/acpi/bus.c
> @@ -527,7 +527,7 @@ int acpi_bus_generate_proc_event4(const char *device_class, const char *bus_id,
>  	if (!event_is_open)
>  		return 0;
>  
> -	event = kmalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC);
> +	event = kmalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC | __GFP_NOTRACK_FALSE_POSITIVE);
>  	if (!event)
>  		return -ENOMEM;
>