Feature Abort shouldn't be sent in reply to messages from Unregistered, since that would make it a broadcast message. Signed-off-by: Hans Verkuil <hansverk@xxxxxxxxx> --- drivers/media/cec/cec-adap.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c index 46b7da6df9b5..25d0a835921f 100644 --- a/drivers/media/cec/cec-adap.c +++ b/drivers/media/cec/cec-adap.c @@ -1615,6 +1615,9 @@ static int cec_feature_abort_reason(struct cec_adapter *adap, */ if (msg->msg[1] == CEC_MSG_FEATURE_ABORT) return 0; + /* Don't Feature Abort messages from 'Unregistered' */ + if (cec_msg_initiator(msg) == CEC_LOG_ADDR_UNREGISTERED) + return 0; cec_msg_set_reply_to(&tx_msg, msg); cec_msg_feature_abort(&tx_msg, msg->msg[1], reason); return cec_transmit_msg(adap, &tx_msg, false); -- 2.11.0