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Subject: media: cec: CEC 2.0-only bcast messages were ignored
Author: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Date: Wed Dec 4 08:52:08 2019 +0100
Some messages are allowed to be a broadcast message in CEC 2.0
only, and should be ignored by CEC 1.4 devices.
Unfortunately, the check was wrong, causing such messages to be
marked as invalid under CEC 2.0.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xxxxxxxxx>
Cc: <stable@xxxxxxxxxxxxxxx> # for v4.10 and up
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
drivers/media/cec/cec-adap.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
index 9340435a94a0..e90c30dac68b 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -1085,11 +1085,11 @@ void cec_received_msg_ts(struct cec_adapter *adap,
valid_la = false;
else if (!cec_msg_is_broadcast(msg) && !(dir_fl & DIRECTED))
valid_la = false;
- else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST1_4))
+ else if (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST))
valid_la = false;
else if (cec_msg_is_broadcast(msg) &&
- adap->log_addrs.cec_version >= CEC_OP_CEC_VERSION_2_0 &&
- !(dir_fl & BCAST2_0))
+ adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0 &&
+ !(dir_fl & BCAST1_4))
valid_la = false;
}
if (valid_la && min_len) {
