diff options
| -rw-r--r-- | drivers/staging/media/cec/cec-adap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/staging/media/cec/cec-adap.c b/drivers/staging/media/cec/cec-adap.c index f184bf6945cc..3925e0ae62a5 100644 --- a/drivers/staging/media/cec/cec-adap.c +++ b/drivers/staging/media/cec/cec-adap.c @@ -763,6 +763,9 @@ void cec_received_msg(struct cec_adapter *adap, struct cec_msg *msg) bool is_reply = false; bool valid_la = true; + if (WARN_ON(!msg->len || msg->len > CEC_MAX_MSG_SIZE)) + return; + mutex_lock(&adap->lock); msg->ts = ktime_get_ns(); msg->rx_status = CEC_RX_STATUS_OK; |