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| author | John Dykstra <john.dykstra1@gmail.com> | 2009-10-19 21:53:53 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-10-19 23:22:52 -0700 |
| commit | 0eae750e6019a93643063924209c1daf9cb9b4a7 (patch) | |
| tree | a9c85a1561be628ed6bd45e70ebd833fdd1828a9 | |
| parent | ce5eb7a29251a66e613a300532b642ddc23b48d8 (diff) | |
| download | linux-0eae750e6019a93643063924209c1daf9cb9b4a7.tar.gz linux-0eae750e6019a93643063924209c1daf9cb9b4a7.tar.bz2 linux-0eae750e6019a93643063924209c1daf9cb9b4a7.zip | |
IP: Cleanups
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>
| -rw-r--r-- | net/ipv4/ip_sockglue.c | 2 | ||||
| -rw-r--r-- | net/ipv4/route.c | 3 | ||||
| -rw-r--r-- | net/ipv6/ipv6_sockglue.c | 2 |
3 files changed, 2 insertions, 5 deletions
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index c602d985fe14..2445fedec0b8 100644 --- a/net/ipv4/ip_sockglue.c +++ b/net/ipv4/ip_sockglue.c @@ -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; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index bb4199252026..68fb22702051 100644 --- a/net/ipv4/route.c +++ b/net/ipv4/route.c @@ -1628,9 +1628,6 @@ unsigned short ip_rt_frag_needed(struct net *net, struct iphdr *iph, __be32 daddr = iph->daddr; unsigned short est_mtu = 0; - if (ipv4_config.no_pmtu_disc) - return 0; - for (k = 0; k < 2; k++) { for (i = 0; i < 2; i++) { unsigned hash = rt_hash(daddr, skeys[i], ikeys[k], diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 39e10ac88019..68566de4bcc5 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -662,7 +662,7 @@ done: case IPV6_MTU_DISCOVER: if (optlen < sizeof(int)) goto e_inval; - if (val<0 || val>3) + if (val < IP_PMTUDISC_DONT || val > IP_PMTUDISC_PROBE) goto e_inval; np->pmtudisc = val; retv = 0; |