diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
index 9e25ba20f4d1d6c81522c76be93f4d7151354be4..46b7da6df9b5ceb8b537b63e2180ea611f728cc6 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -1461,12 +1461,16 @@ int __cec_s_log_addrs(struct cec_adapter *adap,
 	 * within the correct range.
 	 */
 	if (log_addrs->vendor_id != CEC_VENDOR_ID_NONE &&
-	    (log_addrs->vendor_id & 0xff000000) != 0)
+	    (log_addrs->vendor_id & 0xff000000) != 0) {
+		dprintk(1, "invalid vendor ID\n");
 		return -EINVAL;
+	}
 
 	if (log_addrs->cec_version != CEC_OP_CEC_VERSION_1_4 &&
-	    log_addrs->cec_version != CEC_OP_CEC_VERSION_2_0)
+	    log_addrs->cec_version != CEC_OP_CEC_VERSION_2_0) {
+		dprintk(1, "invalid CEC version\n");
 		return -EINVAL;
+	}
 
 	if (log_addrs->num_log_addrs > 1)
 		for (i = 0; i < log_addrs->num_log_addrs; i++)