diff options
| author | Peter Korsgaard <jacmet@sunsite.dk> | 2007-06-27 08:14:50 +0200 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-07-02 08:24:51 -0400 |
| commit | 23de559b8d3537f972f325e7e015c18aa2e4d987 (patch) | |
| tree | c4af26b642ede3383b5d814c14e7094ce1fb600c /drivers | |
| parent | 983b7dc07f083d7d78f408a6f841b399b954767d (diff) | |
dm9601: HW header size shouldn't be included in packet length
The dm9601 driver was including the 2 byte hardware header in the
packet length, causing the HW to send 2 extra bytes of garbage on tx.
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/usb/dm9601.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index a6763860147..ac200b0f6a9 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -489,6 +489,8 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb, b3..n: packet data */ + len = skb->len; + if (skb_headroom(skb) < DM_TX_OVERHEAD) { struct sk_buff *skb2; @@ -501,10 +503,9 @@ static struct sk_buff *dm9601_tx_fixup(struct usbnet *dev, struct sk_buff *skb, __skb_push(skb, DM_TX_OVERHEAD); - len = skb->len; /* usbnet adds padding if length is a multiple of packet size if so, adjust length value in header */ - if ((len % dev->maxpacket) == 0) + if ((skb->len % dev->maxpacket) == 0) len++; skb->data[0] = len; |