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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
net/ipv4/ip_output.c
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@@ -489,7 +489,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff *))
if (first_len - hlen > mtu ||
((first_len - hlen) & 7) ||
(iph->frag_off & htons(IP_MF|IP_OFFSET)) ||
ip_is_fragment(iph) ||
skb_cloned(skb))
goto slow_path;