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authorMichał Mirosław <mirq-linux@rere.qmqm.pl>2010-12-14 15:24:08 +0000
committerDavid S. Miller <davem@davemloft.net>2010-12-16 14:43:14 -0800
commit55508d601dab7df5cbcc7a63f4be8620eface204 (patch)
tree346f30fae9c726d2e73aba2e37ce1e4a31dcea8c /drivers/net/macvtap.c
parent04fb451eff978ca059399eab83d5594b073caf6f (diff)
downloadop-kernel-dev-55508d601dab7df5cbcc7a63f4be8620eface204.zip
op-kernel-dev-55508d601dab7df5cbcc7a63f4be8620eface204.tar.gz
net: Use skb_checksum_start_offset()
Replace skb->csum_start - skb_headroom(skb) with skb_checksum_start_offset(). Note for usb/smsc95xx: skb->data - skb->head == skb_headroom(skb). Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/macvtap.c')
-rw-r--r--drivers/net/macvtap.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 4256727..21845af 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -504,8 +504,7 @@ static int macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
if (skb->ip_summed == CHECKSUM_PARTIAL) {
vnet_hdr->flags = VIRTIO_NET_HDR_F_NEEDS_CSUM;
- vnet_hdr->csum_start = skb->csum_start -
- skb_headroom(skb);
+ vnet_hdr->csum_start = skb_checksum_start_offset(skb);
vnet_hdr->csum_offset = skb->csum_offset;
} /* else everything is zero */
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