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can: isotp: isotp_recvmsg(): use sock_recv_cmsgs() to get SOCK_RXQ_OVFL infos
author
Oliver Hartkopp
<socketcan@hartkopp.net>
Thu, 30 Mar 2023 17:02:48 +0000
(19:02 +0200)
committer
Marc Kleine-Budde
<mkl@pengutronix.de>
Wed, 5 Apr 2023 08:52:00 +0000
(10:52 +0200)
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
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diff --git
a/net/can/isotp.c
b/net/can/isotp.c
index 9bc344851704e3683c4be04cd841b7db0eade8e8..47c2ebad10edc2f15de187b7e02cc8f52f141c5b 100644
(file)
--- 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);