diff options
| author |   Oliver Hartkopp <oliver@hartkopp.net> | 2010-01-12 02:00:46 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2010-01-12 02:00:46 -0800 |
| commit | 3ccd4c6167d3b39d52631767ebbf8b5677c5855d (patch) | |
| tree | bfcb801edebd00e8b30e897038bad7fee39625cc /drivers/net/can/mscan/mscan.c | |
| parent | tcp: Generalized TTL Security Mechanism (diff) | |
| download | linux-dev-3ccd4c6167d3b39d52631767ebbf8b5677c5855d.tar.xz linux-dev-3ccd4c6167d3b39d52631767ebbf8b5677c5855d.zip | |
can: Unify droping of invalid tx skbs and netdev stats
To prevent the CAN drivers to operate on invalid socketbuffers the skbs are
now checked and silently dropped at the xmit-function consistently.
Also the netdev stats are consistently using the CAN data length code (dlc)
for [rx|tx]_bytes now.
Signed-off-by: Oliver Hartkopp <oliver@hartkopp.net>
Acked-by: Wolfgang Grandegger <wg@grandegger.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/can/mscan/mscan.c')
| -rw-r--r-- | drivers/net/can/mscan/mscan.c | 5 |
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c index 500d18918bd5..40827c128b65 100644 --- a/drivers/net/can/mscan/mscan.c +++ b/drivers/net/can/mscan/mscan.c @@ -204,11 +204,8 @@ static netdev_tx_t mscan_start_xmit(struct sk_buff *skb, struct net_device *dev) int i, rtr, buf_id; u32 can_id; - if (skb->len != sizeof(*frame) || frame->can_dlc > 8) { - kfree_skb(skb); - dev->stats.tx_dropped++; + if (can_dropped_invalid_skb(dev, skb)) return NETDEV_TX_OK; - } out_8(®s->cantier, 0); |