ipv6: Fix inet6_csk_bind_conflict()

[safe/jmp/linux-2.6] / net / ipv4 / route.c

diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 124af16..cb562fd 100644 (file)
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -90,6 +90,7 @@
 #include <linux/jhash.h>
 #include <linux/rcupdate.h>
 #include <linux/times.h>
+#include <linux/slab.h>
 #include <net/dst.h>
 #include <net/net_namespace.h>
 #include <net/protocol.h>
@@ -1097,7 +1098,7 @@ static int slow_chain_length(const struct rtable *head)
 }
 
 static int rt_intern_hash(unsigned hash, struct rtable *rt,
-                         struct rtable **rp, struct sk_buff *skb)
+                         struct rtable **rp, struct sk_buff *skb, int ifindex)
 {
        struct rtable   *rth, **rthp;
        unsigned long   now;
@@ -1217,6 +1218,11 @@ restart:
                                        rt->u.dst.dev->name, num);
                        }
                        rt_emergency_hash_rebuild(net);
+                       spin_unlock_bh(rt_hash_lock_addr(hash));
+
+                       hash = rt_hash(rt->fl.fl4_dst, rt->fl.fl4_src,
+                                       ifindex, rt_genid(net));
+                       goto restart;
                }
        }
 
@@ -1477,7 +1483,7 @@ void ip_rt_redirect(__be32 old_gw, __be32 daddr, __be32 new_gw,
                                                        &netevent);
 
                                rt_del(hash, rth);
-                               if (!rt_intern_hash(hash, rt, &rt, NULL))
+                               if (!rt_intern_hash(hash, rt, &rt, NULL, rt->fl.oif))
                                        ip_rt_put(rt);
                                goto do_next;
                        }
@@ -1931,7 +1937,7 @@ static int ip_route_input_mc(struct sk_buff *skb, __be32 daddr, __be32 saddr,
 
        in_dev_put(in_dev);
        hash = rt_hash(daddr, saddr, dev->ifindex, rt_genid(dev_net(dev)));
-       return rt_intern_hash(hash, rth, NULL, skb);
+       return rt_intern_hash(hash, rth, NULL, skb, dev->ifindex);
 
 e_nobufs:
        in_dev_put(in_dev);
@@ -2098,7 +2104,7 @@ static int ip_mkroute_input(struct sk_buff *skb,
        /* put it into the cache */
        hash = rt_hash(daddr, saddr, fl->iif,
                       rt_genid(dev_net(rth->u.dst.dev)));
-       return rt_intern_hash(hash, rth, NULL, skb);
+       return rt_intern_hash(hash, rth, NULL, skb, fl->iif);
 }
 
 /*
@@ -2255,7 +2261,7 @@ local_input:
        }
        rth->rt_type    = res.type;
        hash = rt_hash(daddr, saddr, fl.iif, rt_genid(net));
-       err = rt_intern_hash(hash, rth, NULL, skb);
+       err = rt_intern_hash(hash, rth, NULL, skb, fl.iif);
        goto done;
 
 no_route:
@@ -2502,7 +2508,7 @@ static int ip_mkroute_output(struct rtable **rp,
        if (err == 0) {
                hash = rt_hash(oldflp->fl4_dst, oldflp->fl4_src, oldflp->oif,
                               rt_genid(dev_net(dev_out)));
-               err = rt_intern_hash(hash, rth, rp, NULL);
+               err = rt_intern_hash(hash, rth, rp, NULL, oldflp->oif);
        }
 
        return err;