On Wed, Dec 18, 2013 at 03:40:11PM +0530, Roger Quadros wrote:
> In test_halt() we set an endpoint halt condition and return on halt verification
> failure, then the enpoint will remain halted and all further tests related
> to that enpoint will fail. This is because we don't tackle endpoint halt error condition
> in any of the tests. To avoid that situation, make sure to clear the
> halt condition before exiting test_halt().
>
> Signed-off-by: Roger Quadros <rogerq@xxxxxx>
> Reviewed-by: Felipe Balbi <balbi@xxxxxx>
Acked-by: Huang Rui <ray.huang@xxxxxxx>
> ---
> drivers/usb/misc/usbtest.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
> index 6294e1b..300b726 100644
> --- a/drivers/usb/misc/usbtest.c
> +++ b/drivers/usb/misc/usbtest.c
> @@ -1545,8 +1545,17 @@ static int test_halt(struct usbtest_dev *tdev, int ep, struct urb *urb)
> return retval;
> }
> retval = verify_halted(tdev, ep, urb);
> - if (retval < 0)
> + if (retval < 0) {
> + int ret;
> +
> + /* clear halt anyways, else further tests will fail */
> + ret = usb_clear_halt(urb->dev, urb->pipe);
> + if (ret)
> + ERROR(tdev, "ep %02x couldn't clear halt, %d\n",
> + ep, ret);
> +
> return retval;
> + }
>
> /* clear halt (tests API + protocol), verify it worked */
> retval = usb_clear_halt(urb->dev, urb->pipe);
> --
> 1.8.3.2
>
>
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