From 96339d6c490a32de35fa798ca7922d13a8538ecd Mon Sep 17 00:00:00 2001 From: Shan Wei <shanwei@cn.fujitsu.com> Date: Fri, 22 Apr 2011 19:07:41 +0800 Subject: [PATCH] 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> --- drivers/net/tile/tilepro.c | 2 +- net/ipv6/udp.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/tile/tilepro.c b/drivers/net/tile/tilepro.c index 0825db6d883f..1e980fdd9d77 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 98ecfd7359e2..fc0c42a88e54 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); -- GitLab