From: Oliver Hartkopp Date: Thu, 4 Dec 2008 23:01:08 +0000 (-0800) Subject: can: omit received RTR frames for single ID filter lists X-Git-Tag: v2.6.28-rc8~41^2~3 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=f706644d55f90e8306d87060168fef33804d6dd9;p=linux-2.6-omap-h63xx.git can: omit received RTR frames for single ID filter lists Since commit d253eee20195b25e298bf162a6e72f14bf4803e5 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 Signed-off-by: David S. Miller --- diff --git a/net/can/af_can.c b/net/can/af_can.c index d8173e50cb8..3dadb338add 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -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) {