On Mon, Jul 25, 2016 at 11:14:11AM -0700, Brian Norris wrote:
> cros_ec_cmd_xfer returns success status if the command transport
> completes successfully, but the execution result is incorrectly ignored.
> In many cases, the execution result is assumed to be successful, leading
> to ignored errors and operating on uninitialized data.
>
> We've recently introduced the cros_ec_cmd_xfer_status() helper to avoid these
> problems. Let's use it.
>
> Signed-off-by: Brian Norris <briannorris@xxxxxxxxxxxx>
Instead of me pulling in pwm/mfd branch maybe Thierry can push through
his branch?
Acked-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> ---
> drivers/input/keyboard/cros_ec_keyb.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/keyboard/cros_ec_keyb.c b/drivers/input/keyboard/cros_ec_keyb.c
> index b01966dc7eb3..6e48616a3a88 100644
> --- a/drivers/input/keyboard/cros_ec_keyb.c
> +++ b/drivers/input/keyboard/cros_ec_keyb.c
> @@ -160,7 +160,7 @@ static int cros_ec_keyb_get_state(struct cros_ec_keyb *ckdev, uint8_t *kb_state)
> msg->insize = ckdev->cols;
> msg->outsize = 0;
>
> - ret = cros_ec_cmd_xfer(ckdev->ec, msg);
> + ret = cros_ec_cmd_xfer_status(ckdev->ec, msg);
> if (ret < 0) {
> dev_err(ckdev->dev, "Error transferring EC message %d\n", ret);
> goto exit;
> --
> 2.8.0.rc3.226.g39d4020
>
--
Dmitry
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