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authorShan Wei <shanwei@cn.fujitsu.com>2011-04-22 19:07:41 +0800
committerDavid S. Miller <davem@davemloft.net>2011-04-28 13:28:57 -0700
commit96339d6c490a32de35fa798ca7922d13a8538ecd (patch)
treebfeab66ca069f4c4d99f30c2da23ae7c78c139e2
parentf6d8bd051c391c1c0458a30b2a7abcd939329259 (diff)
downloadop-kernel-dev-96339d6c490a32de35fa798ca7922d13a8538ecd.zip
op-kernel-dev-96339d6c490a32de35fa798ca7922d13a8538ecd.tar.gz
net:use help function of skb_checksum_start_offset to calculate offset
Although these are equivalent, but the skb_checksum_start_offset() is more readable. Signed-off-by: Shan Wei <shanwei@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/net/tile/tilepro.c2
-rw-r--r--net/ipv6/udp.c2
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/tile/tilepro.c b/drivers/net/tile/tilepro.c
index 0825db6..1e980fd 100644
--- a/drivers/net/tile/tilepro.c
+++ b/drivers/net/tile/tilepro.c
@@ -1930,7 +1930,7 @@ static int tile_net_tx(struct sk_buff *skb, struct net_device *dev)
unsigned int len = skb->len;
unsigned char *data = skb->data;
- unsigned int csum_start = skb->csum_start - skb_headroom(skb);
+ unsigned int csum_start = skb_checksum_start_offset(skb);
lepp_frag_t frags[LEPP_MAX_FRAGS];
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 98ecfd7..fc0c42a 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -1328,7 +1328,7 @@ static struct sk_buff *udp6_ufo_fragment(struct sk_buff *skb, u32 features)
/* Do software UFO. Complete and fill in the UDP checksum as HW cannot
* do checksum of UDP packets sent as multiple IP fragments.
*/
- offset = skb->csum_start - skb_headroom(skb);
+ offset = skb_checksum_start_offset(skb);
csum = skb_checksum(skb, offset, skb->len- offset, 0);
offset += skb->csum_offset;
*(__sum16 *)(skb->data + offset) = csum_fold(csum);
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