tulip: cleanup by using ARRAY_SIZE()

In this situation then ARRAY_SIZE() and sizeof() are the same, but we're
really dealing with array indexes and not byte offsets so ARRAY_SIZE()
is cleaner.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

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On Thu, Jan 23, 2014 at 12:26 AM, Dan Carpenter
<dan.carpenter@oracle.com> wrote:
> In this situation then ARRAY_SIZE() and sizeof() are the same, but we're
> really dealing with array indexes and not byte offsets so ARRAY_SIZE()
> is cleaner.

Yup.

> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Acked-by: Grant Grundler <grundler@parisc-linux.org>

cheers
grant
>
> diff --git a/drivers/net/ethernet/dec/tulip/media.c b/drivers/net/ethernet/dec/tulip/media.c
> index 0d0ba725341a..dcf21a36a9cf 100644
> --- a/drivers/net/ethernet/dec/tulip/media.c
> +++ b/drivers/net/ethernet/dec/tulip/media.c
> @@ -457,7 +457,7 @@ void tulip_find_mii(struct net_device *dev, int board_idx)
>         /* Find the connected MII xcvrs.
>            Doing this in open() would allow detecting external xcvrs later,
>            but takes much time. */
> -       for (phyn = 1; phyn <= 32 && phy_idx < sizeof (tp->phys); phyn++) {
> +       for (phyn = 1; phyn <= 32 && phy_idx < ARRAY_SIZE(tp->phys); phyn++) {
>                 int phy = phyn & 0x1f;
>                 int mii_status = tulip_mdio_read (dev, phy, MII_BMSR);
>                 if ((mii_status & 0x8301) == 0x8001 ||
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From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Thu, 23 Jan 2014 11:26:37 +0300

> In this situation then ARRAY_SIZE() and sizeof() are the same, but we're
> really dealing with array indexes and not byte offsets so ARRAY_SIZE()
> is cleaner.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

Applied, thanks Dan.
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