diff options
author | Oliver Hartkopp <oliver@hartkopp.net> | 2010-01-12 11:00:46 +0100 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2010-01-12 11:00:46 +0100 |
commit | 3ccd4c6167d3b39d52631767ebbf8b5677c5855d (patch) | |
tree | bfcb801edebd00e8b30e897038bad7fee39625cc /drivers/net/can/mcp251x.c | |
parent | tcp: Generalized TTL Security Mechanism (diff) | |
download | linux-3ccd4c6167d3b39d52631767ebbf8b5677c5855d.tar.xz linux-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/mcp251x.c')
-rw-r--r-- | drivers/net/can/mcp251x.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c index 1a72ca066a17..afa2fa45fed9 100644 --- a/drivers/net/can/mcp251x.c +++ b/drivers/net/can/mcp251x.c @@ -494,12 +494,8 @@ static netdev_tx_t mcp251x_hard_start_xmit(struct sk_buff *skb, return NETDEV_TX_BUSY; } - if (skb->len != sizeof(struct can_frame)) { - dev_err(&spi->dev, "dropping packet - bad length\n"); - dev_kfree_skb(skb); - net->stats.tx_dropped++; + if (can_dropped_invalid_skb(net, skb)) return NETDEV_TX_OK; - } netif_stop_queue(net); priv->tx_skb = skb; |