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IP: Cleanups

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Use symbols instead of magic constants while checking PMTU discovery
setsockopt.

Remove redundant test in ip_rt_frag_needed() (done by caller).

Signed-off-by: John Dykstra <john.dykstra1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
John Dykstra
2009-10-19 21:53:53 -07:00
committed by David S. Miller
parent ce5eb7a292
commit 0eae750e60
3 changed files with 2 additions and 5 deletions
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2
net/ipv4/ip_sockglue.c
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@ -575,7 +575,7 @@ static int do_ip_setsockopt(struct sock *sk, int level,
inet->hdrincl = val ? 1 : 0;
break;
case IP_MTU_DISCOVER:
if (val < 0 || val > 3)
if (val < IP_PMTUDISC_DONT || val > IP_PMTUDISC_PROBE)
goto e_inval;
inet->pmtudisc = val;
break;