Merge tag 'qcom-soc-for-3.16-2' of git://git.kernel.org/pub/scm/linux/kernel/git...

[pandora-kernel.git] / net / ipv6 / route.c

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 5015c50..4011617 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -84,9 +84,9 @@ static void           ip6_dst_ifdown(struct dst_entry *,
 static int              ip6_dst_gc(struct dst_ops *ops);
 
 static int             ip6_pkt_discard(struct sk_buff *skb);
-static int             ip6_pkt_discard_out(struct sk_buff *skb);
+static int             ip6_pkt_discard_out(struct sock *sk, struct sk_buff *skb);
 static int             ip6_pkt_prohibit(struct sk_buff *skb);
-static int             ip6_pkt_prohibit_out(struct sk_buff *skb);
+static int             ip6_pkt_prohibit_out(struct sock *sk, struct sk_buff *skb);
 static void            ip6_link_failure(struct sk_buff *skb);
 static void            ip6_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
                                           struct sk_buff *skb, u32 mtu);
@@ -290,7 +290,7 @@ static const struct rt6_info ip6_blk_hole_entry_template = {
                .obsolete       = DST_OBSOLETE_FORCE_CHK,
                .error          = -EINVAL,
                .input          = dst_discard,
-               .output         = dst_discard,
+               .output         = dst_discard_sk,
        },
        .rt6i_flags     = (RTF_REJECT | RTF_NONEXTHOP),
        .rt6i_protocol  = RTPROT_KERNEL,
@@ -1058,7 +1058,7 @@ struct dst_entry *ip6_blackhole_route(struct net *net, struct dst_entry *dst_ori
 
                new->__use = 1;
                new->input = dst_discard;
-               new->output = dst_discard;
+               new->output = dst_discard_sk;
 
                if (dst_metrics_read_only(&ort->dst))
                        new->_metrics = ort->dst._metrics;
@@ -1338,7 +1338,7 @@ static unsigned int ip6_mtu(const struct dst_entry *dst)
        unsigned int mtu = dst_metric_raw(dst, RTAX_MTU);
 
        if (mtu)
-               return mtu;
+               goto out;
 
        mtu = IPV6_MIN_MTU;
 
@@ -1348,7 +1348,8 @@ static unsigned int ip6_mtu(const struct dst_entry *dst)
                mtu = idev->cnf.mtu6;
        rcu_read_unlock();
 
-       return mtu;
+out:
+       return min_t(unsigned int, mtu, IP6_MAX_MTU);
 }
 
 static struct dst_entry *icmp6_dst_gc_list;
@@ -1576,7 +1577,7 @@ int ip6_route_add(struct fib6_config *cfg)
                switch (cfg->fc_type) {
                case RTN_BLACKHOLE:
                        rt->dst.error = -EINVAL;
-                       rt->dst.output = dst_discard;
+                       rt->dst.output = dst_discard_sk;
                        rt->dst.input = dst_discard;
                        break;
                case RTN_PROHIBIT:
@@ -2128,7 +2129,7 @@ static int ip6_pkt_discard(struct sk_buff *skb)
        return ip6_pkt_drop(skb, ICMPV6_NOROUTE, IPSTATS_MIB_INNOROUTES);
 }
 
-static int ip6_pkt_discard_out(struct sk_buff *skb)
+static int ip6_pkt_discard_out(struct sock *sk, struct sk_buff *skb)
 {
        skb->dev = skb_dst(skb)->dev;
        return ip6_pkt_drop(skb, ICMPV6_NOROUTE, IPSTATS_MIB_OUTNOROUTES);
@@ -2139,7 +2140,7 @@ static int ip6_pkt_prohibit(struct sk_buff *skb)
        return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_INNOROUTES);
 }
 
-static int ip6_pkt_prohibit_out(struct sk_buff *skb)
+static int ip6_pkt_prohibit_out(struct sock *sk, struct sk_buff *skb)
 {
        skb->dev = skb_dst(skb)->dev;
        return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES);