[IPV6]: Accept -1 for IPV6_TCLASS

[safe/jmp/linux-2.6] / net / ipv6 / ipv6_sockglue.c

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 4332726..a5eaaf6 100644 (file)
--- a/net/ipv6/ipv6_sockglue.c
+++ b/net/ipv6/ipv6_sockglue.c
@@ -362,7 +362,7 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
                break;
 
        case IPV6_TCLASS:
-               if (val < 0 || val > 0xff)
+               if (val < -1 || val > 0xff)
                        goto e_inval;
                np->tclass = val;
                retv = 0;
@@ -947,6 +947,8 @@ static int do_ipv6_getsockopt(struct sock *sk, int level, int optname,
 
        case IPV6_TCLASS:
                val = np->tclass;
+               if (val < 0)
+                       val = 0;
                break;
 
        case IPV6_RECVTCLASS: