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authorHans Verkuil <hans.verkuil@cisco.com>2018-05-22 07:33:13 -0400
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2018-05-28 16:25:25 -0400
commit736781584931f4069c5a9f09af50490c70bd26a7 (patch)
tree1427cdb4b75617d8f2d01b217463b5cd9f6fd3e8 /drivers/media/cec
parent4ba610c8dc1414562b39db68d16a9d8b326c7ee0 (diff)
downloadlinux-736781584931f4069c5a9f09af50490c70bd26a7.tar.bz2
media: cec: fix wrong tx/rx_status values when canceling a msg
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 <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/cec')
-rw-r--r--drivers/media/cec/cec-adap.c19
1 files changed, 13 insertions, 6 deletions
diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
index 002ed4c90371..b7fad0ec5710 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -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);