From: Oliver Hartkopp socketcan@hartkopp.net

isotp.c was still using sock_recv_timestamp() which does not provide control messages to detect dropped PDUs in the receive path.

Fixes: e057dd3fc20f ("can: add ISO 15765-2:2016 transport protocol") Signed-off-by: Oliver Hartkopp socketcan@hartkopp.net Link: https://lore.kernel.org/all/20230330170248.62342-1-socketcan@hartkopp.net Cc: stable@vger.kernel.org Signed-off-by: Marc Kleine-Budde mkl@pengutronix.de --- net/can/isotp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/can/isotp.c b/net/can/isotp.c index 9bc344851704..47c2ebad10ed 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -1120,7 +1120,7 @@ static int isotp_recvmsg(struct socket *sock, struct msghdr *msg, size_t size, if (ret < 0) goto out_err;

- sock_recv_timestamp(msg, sk, skb); + sock_recv_cmsgs(msg, sk, skb);

if (msg->msg_name) { __sockaddr_check_size(ISOTP_MIN_NAMELEN);