Re: [PATCH 4/4] staging: ozwpan: Return correct hub status.

From: Dan Carpenter
Date: Mon Aug 05 2013 - 14:57:12 EST


On Mon, Aug 05, 2013 at 06:40:15PM +0100, Rupesh Gujare wrote:
> Fix a bug where we were not returning correct hub status
> for 8th port.

What are the user visible effects of this bug?

Style nits below.

>
> Signed-off-by: Rupesh Gujare <rupesh.gujare@xxxxxxxxx>
> ---
> drivers/staging/ozwpan/ozhcd.c | 11 +++++++++--
> 1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/staging/ozwpan/ozhcd.c b/drivers/staging/ozwpan/ozhcd.c
> index b060e43..2f93a00 100644
> --- a/drivers/staging/ozwpan/ozhcd.c
> +++ b/drivers/staging/ozwpan/ozhcd.c
> @@ -1871,17 +1871,24 @@ static int oz_hcd_hub_status_data(struct usb_hcd *hcd, char *buf)
> int i;
>
> buf[0] = 0;
> + buf[1] = 0;
>
> spin_lock_bh(&ozhcd->hcd_lock);
> for (i = 0; i < OZ_NB_PORTS; i++) {
> if (ozhcd->ports[i].flags & OZ_PORT_F_CHANGED) {
> oz_dbg(HUB, "Port %d changed\n", i);
> ozhcd->ports[i].flags &= ~OZ_PORT_F_CHANGED;
> - buf[0] |= 1<<(i+1);
> + if (i < 7)
> + buf[0] |= 1 << (i+1);

Put spaces around math operations:
buf[0] |= 1 << (i + 1);

> + else
> + buf[1] |= 1 << (i-7);

buf[1] |= 1 << (i - 7);

regards,
dan carpenter

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