[PATCH] usb: uhci-hcd: fix uhci_alloc_int_td()

[Sascha Hauer]

Hi Peter,

On Thu, Mar 23, 2017 at 12:36:15AM +0300, Peter Mamonov wrote:
> Signed-off-by: Peter Mamonov <pmamonov at gmail.com>
> ---
>  drivers/usb/host/uhci-hcd.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
> index 9ad4644e8..04d167ee3 100644
> --- a/drivers/usb/host/uhci-hcd.c
> +++ b/drivers/usb/host/uhci-hcd.c
> @@ -554,8 +554,12 @@ static int submit_bulk_msg(struct usb_device *dev, unsigned long pipe,
>   */
>  static struct uhci_td *uhci_alloc_int_td(struct uhci_priv *uhci)
>  {
> -	return &uhci->tmp_int_td[0];
> +	int i;
>  
> +	for (i = 0; i < USB_MAX_TEMP_INT_TD; i++)
> +		if (uhci->tmp_int_td[i].dev_ptr == 0)
> +			return &uhci->tmp_int_td[i];
> +	return NULL;

You have to upstream the uhci driver first before I can apply fixes for
it ;)

Sascha

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