diff --git a/net/can/isotp.c b/net/can/isotp.c
index 7839c3b9e5bea29e204461b58fcd868cef303c3a..3ef7f78e553bc93e2c24db9b5b8a016cc0235f28 100644
--- a/net/can/isotp.c
+++ b/net/can/isotp.c
@@ -1155,6 +1155,7 @@ static int isotp_getname(struct socket *sock, struct sockaddr *uaddr, int peer)
 	if (peer)
 		return -EOPNOTSUPP;
 
+	memset(addr, 0, sizeof(*addr));
 	addr->can_family = AF_CAN;
 	addr->can_ifindex = so->ifindex;
 	addr->can_addr.tp.rx_id = so->rxid;