| Message ID | 1255980690.20673.5.camel@Maple |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: John Dykstra <john.dykstra1@gmail.com> Date: Mon, 19 Oct 2009 14:31:30 -0500 > 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> Applied to net-next-2.6, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/net/ipv4/ip_sockglue.c b/net/ipv4/ip_sockglue.c index c602d98..2445fed 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/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 39e10ac..68566de 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; diff --git a/net/ipv4/route.c b/net/ipv4/route.c index bb41992..68fb227 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],--
I've been sitting on these waiting to accumulate more, but that isn't likely to happen short-term. --- 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> --- net/ipv4/ip_sockglue.c | 2 +- net/ipv4/route.c | 3 --- net/ipv6/ipv6_sockglue.c | 2 +- 3 files changed, 2 insertions(+), 5 deletions(-) 1.5.4.3 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html