Messages in this thread |  | | From | Guenter Roeck <> | Date | Wed, 13 Jul 2022 11:25:49 -0700 | Subject | Re: [RESEND PATCH 11/11] platform/chrome: cros_ec_proto: return -EPROTO if empty payload |
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On Mon, Jun 27, 2022 at 7:49 PM Tzung-Bi Shih <tzungbi@kernel.org> wrote: > > cros_ec_wait_until_complete() sends EC_CMD_GET_COMMS_STATUS which expects > to receive sizeof(struct ec_response_get_comms_status) from > cros_ec_xfer_command(). > > Return -EPROTO if cros_ec_xfer_command() returns 0. > > Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
> --- > drivers/platform/chrome/cros_ec_proto.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c > index 5323edddb540..0c7042aa2640 100644 > --- a/drivers/platform/chrome/cros_ec_proto.c > +++ b/drivers/platform/chrome/cros_ec_proto.c > @@ -166,6 +166,11 @@ static int cros_ec_wait_until_complete(struct cros_ec_device *ec_dev, uint32_t * > break; > } > > + if (ret == 0) { > + ret = -EPROTO; > + break; > + } > + > if (!(status->flags & EC_COMMS_STATUS_PROCESSING)) > break; > } > -- > 2.37.0.rc0.161.g10f37bed90-goog >
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