diff --git a/net/can/isotp.c b/net/can/isotp.c
index 4fcd8162fad4..16ebc187af1c 100644
--- a/net/can/isotp.c
+++ b/net/can/isotp.c
@@ -990,8 +990,9 @@ static int isotp_sendmsg(struct socket *sock, struct msghdr *msg, size_t size)
 		/* 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;
+		err = sock_error(sk);
+		if (err)
+			return err;
 	}
 
 	return size;