ip: introduce ip_is_fragment helper inline function

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index a8024eaa0e87..167da8ba416a 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -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;