@@ -751,6 +751,9 @@ int cec_transmit_msg_fh(struct cec_adapter *adap, struct cec_msg *msg,
struct cec_data *data;
bool is_raw = msg_is_raw(msg);
+ if (adap->devnode.unregistered)
+ return -ENODEV;
+
msg->rx_ts = 0;
msg->tx_ts = 0;
msg->rx_status = 0;
@@ -1049,6 +1052,9 @@ void cec_received_msg_ts(struct cec_adapter *adap,
if (WARN_ON(!msg->len || msg->len > CEC_MAX_MSG_SIZE))
return;
+ if (adap->devnode.unregistered)
+ return;
+
/*
* Some CEC adapters will receive the messages that they transmitted.
* This test filters out those messages by checking if we are the
Make the code a bit more robust by checking if the adapter has been unregistered at the start of cec_transmit_msg_fh() and cec_received_msg_ts(). If it is unregistered, then just return. Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> --- drivers/media/cec/core/cec-adap.c | 6 ++++++ 1 file changed, 6 insertions(+)