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media: cec: fix wrong tx/rx_status values when canceling a msg

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When a message was canceled it could return tx_status with
both OK and MAX_RETRIES set, which is illegal.

If a canceled message was waiting for a reply, then rx_status
wasn't updated, so set that as well.

Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
This commit is contained in:
Hans Verkuil 2018-05-22 07:33:13 -04:00 • committed by Mauro Carvalho Chehab
commit 7367815849
1 changed files with 13 additions and 6 deletions
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19
drivers/media/cec/cec-adap.c
View file

@ -339,12 +339,19 @@ static void cec_data_cancel(struct cec_data *data)
data->adap->transmit_queue_sz--;
}
/* Mark it as an error */
data->msg.tx_ts = ktime_get_ns();
data->msg.tx_status |= CEC_TX_STATUS_ERROR |
CEC_TX_STATUS_MAX_RETRIES;
data->msg.tx_error_cnt++;
data->attempts = 0;
if (data->msg.tx_status & CEC_TX_STATUS_OK) {
/* Mark the canceled RX as a timeout */
data->msg.rx_ts = ktime_get_ns();
data->msg.rx_status = CEC_RX_STATUS_TIMEOUT;
} else {
/* Mark the canceled TX as an error */
data->msg.tx_ts = ktime_get_ns();
data->msg.tx_status |= CEC_TX_STATUS_ERROR |
CEC_TX_STATUS_MAX_RETRIES;
data->msg.tx_error_cnt++;
data->attempts = 0;
}
/* Queue transmitted message for monitoring purposes */
cec_queue_msg_monitor(data->adap, &data->msg, 1);