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authorOliver Hartkopp <oliver@hartkopp.net>2010-01-12 02:00:46 -0800
committerDavid S. Miller <davem@davemloft.net>2010-01-12 02:00:46 -0800
commit3ccd4c6167d3b39d52631767ebbf8b5677c5855d (patch)
treebfcb801edebd00e8b30e897038bad7fee39625cc /drivers/net/can/mscan
parentd218d11133d888f9745802146a50255a4781d37a (diff)
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')
-rw-r--r--drivers/net/can/mscan/mscan.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/net/can/mscan/mscan.c b/drivers/net/can/mscan/mscan.c
index 500d18918bd..40827c128b6 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(&regs->cantier, 0);