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authorPeter Korsgaard <jacmet@sunsite.dk>2009-05-13 10:10:41 +0000
committerDavid S. Miller <davem@davemloft.net>2009-05-17 21:03:41 -0700
commitdf18acca8eb13c8cf55fa45e9f9231dc51f64d98 (patch)
tree43cc2aca9a0c8a76982be79474346a9b8a6f316d /drivers
parent61189c78bda846f4682c6003e893362f4305518b (diff)
smsc95xx: strip ethernet fcs (crc) on receive path
The smsc95xx driver was forwarding the trailing fcs on received frames up the stack leading to confusion in tcpdump. Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk> Tested-by: Steve Glendinning <steve.glendinning@smsc.com> Acked-by: Steve Glendinning <steve.glendinning@smsc.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/usb/smsc95xx.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/usb/smsc95xx.c b/drivers/net/usb/smsc95xx.c
index 5a7283372b5..89a91f8c22d 100644
--- a/drivers/net/usb/smsc95xx.c
+++ b/drivers/net/usb/smsc95xx.c
@@ -1134,7 +1134,7 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
if (skb->len == size) {
if (pdata->use_rx_csum)
smsc95xx_rx_csum_offload(skb);
-
+ skb_trim(skb, skb->len - 4); /* remove fcs */
skb->truesize = size + sizeof(struct sk_buff);
return 1;
@@ -1152,7 +1152,7 @@ static int smsc95xx_rx_fixup(struct usbnet *dev, struct sk_buff *skb)
if (pdata->use_rx_csum)
smsc95xx_rx_csum_offload(ax_skb);
-
+ skb_trim(ax_skb, ax_skb->len - 4); /* remove fcs */
ax_skb->truesize = size + sizeof(struct sk_buff);
usbnet_skb_return(dev, ax_skb);