Link: https://github.com/hartkopp/can-isotp/pull/43 Cc: Oliver Hartkopp <socketcan@xxxxxxxxxxxx> Cc: Sottas Guillaume (LMB) <Guillaume.Sottas@xxxxxxxxxxxx> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx> --- Hey Sottas, can you check if this fixes your problem and that normal operation still works. regards, Marc net/can/isotp.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/can/isotp.c b/net/can/isotp.c index 9f94ad3caee9..823f047a28ad 100644 --- a/net/can/isotp.c +++ b/net/can/isotp.c @@ -954,6 +954,9 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size) if (wait_tx_done) { /* wait for complete transmission of current pdu */ wait_event_interruptible(so->wait, so->tx.state == ISOTP_IDLE); + + if (sk->sk_err) + return sk->sk_err; } return size; -- 2.30.2
