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UPSTREAM: [media] cec: don't Feature Abort msgs from Unregistered

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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@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
(cherry picked from commit a8e97e531a)

Change-Id: Id02046545b95d6e08745aa1093cadac4212745b9
Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
This commit is contained in:
Algea Cao
2017-12-26 10:01:12 +08:00
committed by Tao Huang
parent 1e96ffb46b
commit 878dd7ae1d
1 changed files with 3 additions and 0 deletions
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3
drivers/media/cec/cec-adap.c
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@@ -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);