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author | Oliver Hartkopp <oliver@hartkopp.net> | 2010-01-12 02:00:46 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2010-01-12 02:00:46 -0800 |
commit | 3ccd4c6167d3b39d52631767ebbf8b5677c5855d (patch) | |
tree | bfcb801edebd00e8b30e897038bad7fee39625cc /drivers/net/can/sja1000/sja1000.c | |
parent | d218d11133d888f9745802146a50255a4781d37a (diff) | |
download | lwn-3ccd4c6167d3b39d52631767ebbf8b5677c5855d.tar.gz lwn-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/sja1000/sja1000.c')
-rw-r--r-- | drivers/net/can/sja1000/sja1000.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c index 542a4f7255b4..345304d779b9 100644 --- a/drivers/net/can/sja1000/sja1000.c +++ b/drivers/net/can/sja1000/sja1000.c @@ -249,6 +249,9 @@ static netdev_tx_t sja1000_start_xmit(struct sk_buff *skb, uint8_t dreg; int i; + if (can_dropped_invalid_skb(dev, skb)) + return NETDEV_TX_OK; + netif_stop_queue(dev); fi = dlc = cf->can_dlc; |