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Date: Wed, 27 Jun 2007 08:14:50 +0200 From: Peter Korsgaard <jacmet@...site.dk> To: netdev@...r.kernel.org, jeff@...zik.org Subject: [PATCH] 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@...site.dk> --- drivers/net/usb/dm9601.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) Index: linux-2.6.22-rc6/drivers/net/usb/dm9601.c =================================================================== --- linux-2.6.22-rc6.orig/drivers/net/usb/dm9601.c +++ linux-2.6.22-rc6/drivers/net/usb/dm9601.c @@ -489,6 +489,8 @@ b3..n: packet data */ + len = skb->len; + if (skb_headroom(skb) < DM_TX_OVERHEAD) { struct sk_buff *skb2; @@ -501,10 +503,9 @@ __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; -- Bye, Peter Korsgaard - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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