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can: isotp: isotp_recvmsg(): use sock_recv_cmsgs() to get SOCK_RXQ_OVFL infos 

commit 0145462fc8 upstream.

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

Fixes: e057dd3fc2 ("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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oliver Hartkopp 2023-03-30 19:02:48 +02:00 committed by Greg Kroah-Hartman
parent aa023adc96
commit b7b12d4e73
1 changed files with 1 additions and 1 deletions
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2
net/can/isotp.c
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@ -1125,7 +1125,7 @@ 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);