summaryrefslogtreecommitdiffstats
path: root/drivers/media/cec
diff options
context:
space:
mode:
authorHans Verkuil <hansverk@cisco.com>2017-02-28 10:20:50 -0300
committerMauro Carvalho Chehab <mchehab@s-opensource.com>2017-03-22 11:15:55 -0300
commita8e97e531afaaef24a4985a822a041fcc099788d (patch)
treeb848f74169179b904c1b25673ce5c77cb2f352fe /drivers/media/cec
parent79cabaa320d7ba07a233afb944dd151d26b7ddbd (diff)
downloadblackbird-op-linux-a8e97e531afaaef24a4985a822a041fcc099788d.tar.gz
blackbird-op-linux-a8e97e531afaaef24a4985a822a041fcc099788d.zip
[media] cec: don't Feature Abort msgs from Unregistered
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>
Diffstat (limited to 'drivers/media/cec')
-rw-r--r--drivers/media/cec/cec-adap.c3
1 files changed, 3 insertions, 0 deletions
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);
OpenPOWER on IntegriCloud