Commit f706644d authored Dec 04, 2008 by Oliver Hartkopp Committed by David S. Miller Dec 04, 2008

can: omit received RTR frames for single ID filter lists



Since commit d253eee2 the single CAN
identifier filter lists handle only non-RTR CAN frames.

So we need to omit the check of these filter lists when receiving RTR
CAN frames.

Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 17b24b3c

net/can/af_can.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -622,7 +622,10 @@ static int can_rcv_filter(struct dev_rcv_lists d, struct sk_buff skb)
		}
		}

		/* check CAN_ID specific entries */
		/* check filterlists for single non-RTR can_ids */
		if (can_id & CAN_RTR_FLAG)
		return matches;

		if (can_id & CAN_EFF_FLAG) {
		hlist_for_each_entry_rcu(r, n, &d->rx[RX_EFF], list) {
		if (r->can_id == can_id) {