[IPV6]: Find option offset by type.

[powerpc.git] / net / ipv6 / ipv6_sockglue.c

diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c
index 4332726..4f3bb7f 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;
@@ -407,8 +407,16 @@ static int do_ipv6_setsockopt(struct sock *sk, int level, int optname,
                /* routing header option needs extra check */
                if (optname == IPV6_RTHDR && opt->srcrt) {
                        struct ipv6_rt_hdr *rthdr = opt->srcrt;
-                       if (rthdr->type)
+                       switch (rthdr->type) {
+                       case IPV6_SRCRT_TYPE_0:
+#ifdef CONFIG_IPV6_MIP6
+                       case IPV6_SRCRT_TYPE_2:
+#endif
+                               break;
+                       default:
                                goto sticky_done;
+                       }
+
                        if ((rthdr->hdrlen & 1) ||
                            (rthdr->hdrlen >> 1) != rthdr->segments_left)
                                goto sticky_done;
@@ -947,6 +955,8 @@ 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: