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ip: introduce ip_is_fragment helper inline function

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There are enough instances of this:

    iph->frag_off & htons(IP_MF | IP_OFFSET)

that a helper function is probably warranted.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Paul Gortmaker
2011-06-21 20:33:34 -07:00
committed by David S. Miller
parent f470e5ae34
commit 56f8a75c17
19 changed files with 27 additions and 23 deletions
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2
drivers/net/s2io.c
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@@ -4109,7 +4109,7 @@ static netdev_tx_t s2io_xmit(struct sk_buff *skb, struct net_device *dev)
struct tcphdr *th;
ip = ip_hdr(skb);
if ((ip->frag_off & htons(IP_OFFSET|IP_MF)) == 0) {
if (!ip_is_fragment(ip)) {
th = (struct tcphdr *)(((unsigned char *)ip) +
ip->ihl*4);