Messages in this thread Patch in this message |  | | From | Tzung-Bi Shih <> | Subject | [RESEND PATCH 11/11] platform/chrome: cros_ec_proto: return -EPROTO if empty payload | Date | Tue, 28 Jun 2022 02:49:13 +0000 |
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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> --- 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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