Re: [PATCH]: hpilo: fix pointer warning in ilo_ccb_setup

[Andrew Morton]

On Fri, 21 May 2010 20:50:41 -0400
Prarit Bhargava <prarit@xxxxxxxxxx> wrote:

> Fixes warning:
> 
> drivers/misc/hpilo.c: In function ___ilo_ccb_setup___:
> drivers/misc/hpilo.c:274: warning: cast to pointer from integer of different size
> 
> Signed-off-by: Prarit Bhargava <prarit@xxxxxxxxxx>
> 
> diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c
> index 98ad012..b07a541 100644
> --- a/drivers/misc/hpilo.c
> +++ b/drivers/misc/hpilo.c
> @@ -272,7 +272,7 @@ static int ilo_ccb_setup(struct ilo_hwinfo *hw, struct ccb_data *data, int slot)
>  		return -ENOMEM;
>  
>  	dma_va = (char *)data->dma_va;
> -	dma_pa = (char *)data->dma_pa;
> +	dma_pa = (char *)(&data->dma_pa);
>  
>  	memset(dma_va, 0, data->dma_size);

Seems very wrong - writes to *dmp_pa will now scribble over the `struct
ccb_data'.

Probably local variable dma_pa should have type dma_addr_t.
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