On Tue, Oct 18, 2016 at 02:03:31PM -0400, Ryan Swan wrote:
> sparse produced
> warning: incorrect type in argument 2 (different address spaces)
> expected void const volatile [noderef] <asn:2>*src
> got struct slic_stats *stats
>
> casting argument 2 to what is expected by memcpy_fromio() fixed this
>
> Signed-off-by: Ryan Swan <ryan@xxxxxxxxxxxx>
> ---
> drivers/staging/slicoss/slicoss.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/staging/slicoss/slicoss.c b/drivers/staging/slicoss/slicoss.c
> index 2802b90..7c6feb1 100644
> --- a/drivers/staging/slicoss/slicoss.c
> +++ b/drivers/staging/slicoss/slicoss.c
> @@ -1057,7 +1057,7 @@ static void slic_upr_request_complete(struct adapter *adapter, u32 isr)
> if (stats->rcv_drops > old->rcv_drops)
> adapter->rcv_drops += (stats->rcv_drops -
> old->rcv_drops);
> - memcpy_fromio(old, stats, sizeof(*stats));
> + memcpy_fromio(old, (void __iomem *)stats, sizeof(*stats));
This should probably just be memcpy(). Introduced in commit fdb777751278
("staging: slicoss: improve implementation concerning the shared memory").
regards,
dan carpenter
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