Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 23de559b authored by Peter Korsgaard's avatar Peter Korsgaard Committed by Jeff Garzik
Browse files

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: default avatarPeter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 983b7dc0

drivers/net/usb/dm9601.c

+3 −2
Original line number Diff line number Diff line
@@ -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;