commit 0eae750e6019a93643063924209c1daf9cb9b4a7
author John Dykstra <john.dykstra1@gmail.com> Mon Oct 19 21:53:53 2009 -0700
committer David S. Miller <davem@davemloft.net> Mon Oct 19 23:22:52 2009 -0700
tree a9c85a1561be628ed6bd45e70ebd833fdd1828a9
parent ce5eb7a29251a66e613a300532b642ddc23b48d8

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>

net/ipv6/ipv6_sockglue.c

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 @@
 	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;