summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorHans Verkuil <hverkuil-cisco@xs4all.nl>2019-12-04 08:52:08 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-09 10:17:54 +0100
commitd106de1b9e3670abffb2a4e18dbc88170c30b452 (patch)
treee431a003d79c59aff8f6743d7a44722aca8ce0f2
parent981004da1a3323e19b21157d07fab8b5ca3592a1 (diff)
media: cec: CEC 2.0-only bcast messages were ignored
commit cec935ce69fc386f13959578deb40963ebbb85c3 upstream. 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@xs4all.nl> Cc: <stable@vger.kernel.org> # for v4.10 and up Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/media/cec/cec-adap.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
index 27e57915eb4d..8030485ecfd7 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -1031,11 +1031,11 @@ 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) {