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can: omit received RTR frames for single ID filter lists

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Since commit d253eee201 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>
This commit is contained in:
Oliver Hartkopp 2008-12-04 15:01:08 -08:00 committed by David S. Miller
parent 17b24b3c97
commit f706644d55
1 changed files with 4 additions and 1 deletions
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5
net/can/af_can.c
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@ -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) {