On Wed, Sep 07, 2016 at 02:30:02PM +0200, Oliver Neukum wrote:
> Actually make it retutn useful information.
>
> Signed-off-by: Oliver Neukum <oneukum@xxxxxxxx>
> ---
> drivers/usb/class/cdc-acm.c | 8 ++++----
> 1 file changed, 4 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
> index ea7d361..7c21567 100644
> --- a/drivers/usb/class/cdc-acm.c
> +++ b/drivers/usb/class/cdc-acm.c
> @@ -366,17 +366,17 @@ static int acm_submit_read_urb(struct acm *acm, int index, gfp_t mem_flags)
> if (!test_and_clear_bit(index, &acm->read_urbs_free))
> return 0;
>
> - dev_vdbg(&acm->data->dev, "%s - urb %d\n", __func__, index);
> -
> res = usb_submit_urb(acm->read_urbs[index], mem_flags);
> if (res) {
> if (res != -EPERM) {
> dev_err(&acm->data->dev,
> - "%s - usb_submit_urb failed: %d\n",
> - __func__, res);
> + "urb %d failed submission with %\n",
> + index, res);
Did you build this code?
:(
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