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asix: check packet size against mtu+ETH_HLEN instead of ETH_FRAME_LEN 

Driver checks received packet is too large in asix_rx_fixup() and fails if it is. Problem is
that MTU might be set larger than 1500 and asix fails to work correctly with VLAN tagged
packets. The check should be 'dev->net->mtu + ETH_HLEN' instead.

Tested with AX88772.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jussi Kivilinna 2010-06-07 00:56:27 -07:00 committed by David S. Miller
parent 024a07bacf
commit 9227a46bfb
1 changed files with 1 additions and 1 deletions
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2
drivers/net/usb/asix.c
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@ -344,7 +344,7 @@ static int asix_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
return 2;
}
if (size > ETH_FRAME_LEN) {
if (size > dev->net->mtu + ETH_HLEN) {
netdev_err(dev->net, "asix_rx_fixup() Bad RX Length %d\n",
size);
return 0;