1 files changed, 41 insertions, 37 deletions

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1f5b226c3573..878789b3122d 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -384,12 +384,13 @@ struct rt6_info *rt6_lookup(struct in6_addr *daddr, struct in6_addr *saddr,
    be destroyed.
  */
 
-int ip6_ins_rt(struct rt6_info *rt, struct nlmsghdr *nlh, void *_rtattr)
+int ip6_ins_rt(struct rt6_info *rt, struct nlmsghdr *nlh,
+                void *_rtattr, struct netlink_skb_parms *req)
 {
         int err;
 
         write_lock_bh(&rt6_lock);
-        err = fib6_add(&ip6_routing_table, rt, nlh, _rtattr);
+        err = fib6_add(&ip6_routing_table, rt, nlh, _rtattr, req);
         write_unlock_bh(&rt6_lock);
 
         return err;
@@ -400,7 +401,7 @@ int ip6_ins_rt(struct rt6_info *rt, struct nlmsghdr *nlh, void *_rtattr)
  */
 
 static struct rt6_info *rt6_cow(struct rt6_info *ort, struct in6_addr *daddr,
-                                struct in6_addr *saddr)
+                                struct in6_addr *saddr, struct netlink_skb_parms *req)
 {
         int err;
         struct rt6_info *rt;
@@ -432,7 +433,7 @@ static struct rt6_info *rt6_cow(struct rt6_info *ort, struct in6_addr *daddr,
 
                 dst_hold(&rt->u.dst);
 
-                err = ip6_ins_rt(rt, NULL, NULL);
+                err = ip6_ins_rt(rt, NULL, NULL, req);
                 if (err == 0)
                         return rt;
 
@@ -491,7 +492,8 @@ restart:
                 read_unlock_bh(&rt6_lock);
 
                 nrt = rt6_cow(rt, &skb->nh.ipv6h->daddr,
-                              &skb->nh.ipv6h->saddr);
+                              &skb->nh.ipv6h->saddr,
+                              &NETLINK_CB(skb));
 
                 dst_release(&rt->u.dst);
                 rt = nrt;
@@ -551,7 +553,7 @@ restart:
                 dst_hold(&rt->u.dst);
                 read_unlock_bh(&rt6_lock);
 
-                nrt = rt6_cow(rt, &fl->fl6_dst, &fl->fl6_src);
+                nrt = rt6_cow(rt, &fl->fl6_dst, &fl->fl6_src, NULL);
 
                 dst_release(&rt->u.dst);
                 rt = nrt;
@@ -598,7 +600,7 @@ static struct dst_entry *ip6_negative_advice(struct dst_entry *dst)
 
         if (rt) {
                 if (rt->rt6i_flags & RTF_CACHE)
-                        ip6_del_rt(rt, NULL, NULL);
+                        ip6_del_rt(rt, NULL, NULL, NULL);
                 else
                         dst_release(dst);
         }
@@ -787,7 +789,8 @@ int ipv6_get_hoplimit(struct net_device *dev)
  *
  */
 
-int ip6_route_add(struct in6_rtmsg *rtmsg, struct nlmsghdr *nlh, void *_rtattr)
+int ip6_route_add(struct in6_rtmsg *rtmsg, struct nlmsghdr *nlh, 
+                void *_rtattr, struct netlink_skb_parms *req)
 {
         int err;
         struct rtmsg *r;
@@ -974,7 +977,7 @@ install_route:
                 rt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_mtu(&rt->u.dst));
         rt->u.dst.dev = dev;
         rt->rt6i_idev = idev;
-        return ip6_ins_rt(rt, nlh, _rtattr);
+        return ip6_ins_rt(rt, nlh, _rtattr, req);
 
 out:
         if (dev)
@@ -986,7 +989,7 @@ out:
         return err;
 }
 
-int ip6_del_rt(struct rt6_info *rt, struct nlmsghdr *nlh, void *_rtattr)
+int ip6_del_rt(struct rt6_info *rt, struct nlmsghdr *nlh, void *_rtattr, struct netlink_skb_parms *req)
 {
         int err;
 
@@ -994,7 +997,7 @@ int ip6_del_rt(struct rt6_info *rt, struct nlmsghdr *nlh, void *_rtattr)
 
         rt6_reset_dflt_pointer(NULL);
 
-        err = fib6_del(rt, nlh, _rtattr);
+        err = fib6_del(rt, nlh, _rtattr, req);
         dst_release(&rt->u.dst);
 
         write_unlock_bh(&rt6_lock);
@@ -1002,7 +1005,7 @@ int ip6_del_rt(struct rt6_info *rt, struct nlmsghdr *nlh, void *_rtattr)
         return err;
 }
 
-static int ip6_route_del(struct in6_rtmsg *rtmsg, struct nlmsghdr *nlh, void *_rtattr)
+static int ip6_route_del(struct in6_rtmsg *rtmsg, struct nlmsghdr *nlh, void *_rtattr, struct netlink_skb_parms *req)
 {
         struct fib6_node *fn;
         struct rt6_info *rt;
@@ -1029,7 +1032,7 @@ static int ip6_route_del(struct in6_rtmsg *rtmsg, struct nlmsghdr *nlh, void *_r
                         dst_hold(&rt->u.dst);
                         read_unlock_bh(&rt6_lock);
 
-                        return ip6_del_rt(rt, nlh, _rtattr);
+                        return ip6_del_rt(rt, nlh, _rtattr, req);
                 }
         }
         read_unlock_bh(&rt6_lock);
@@ -1136,11 +1139,11 @@ source_ok:
         nrt->u.dst.metrics[RTAX_MTU-1] = ipv6_get_mtu(neigh->dev);
         nrt->u.dst.metrics[RTAX_ADVMSS-1] = ipv6_advmss(dst_mtu(&nrt->u.dst));
 
-        if (ip6_ins_rt(nrt, NULL, NULL))
+        if (ip6_ins_rt(nrt, NULL, NULL, NULL))
                 goto out;
 
         if (rt->rt6i_flags&RTF_CACHE) {
-                ip6_del_rt(rt, NULL, NULL);
+                ip6_del_rt(rt, NULL, NULL, NULL);
                 return;
         }
 
@@ -1204,7 +1207,7 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
            2. It is gatewayed route or NONEXTHOP route. Action: clone it.
          */
         if (!rt->rt6i_nexthop && !(rt->rt6i_flags & RTF_NONEXTHOP)) {
-                nrt = rt6_cow(rt, daddr, saddr);
+                nrt = rt6_cow(rt, daddr, saddr, NULL);
                 if (!nrt->u.dst.error) {
                         nrt->u.dst.metrics[RTAX_MTU-1] = pmtu;
                         if (allfrag)
@@ -1232,7 +1235,7 @@ void rt6_pmtu_discovery(struct in6_addr *daddr, struct in6_addr *saddr,
                 nrt->u.dst.metrics[RTAX_MTU-1] = pmtu;
                 if (allfrag)
                         nrt->u.dst.metrics[RTAX_FEATURES-1] |= RTAX_FEATURE_ALLFRAG;
-                ip6_ins_rt(nrt, NULL, NULL);
+                ip6_ins_rt(nrt, NULL, NULL, NULL);
         }
 
 out:
@@ -1305,7 +1308,7 @@ struct rt6_info *rt6_add_dflt_router(struct in6_addr *gwaddr,
 
         rtmsg.rtmsg_ifindex = dev->ifindex;
 
-        ip6_route_add(&rtmsg, NULL, NULL);
+        ip6_route_add(&rtmsg, NULL, NULL, NULL);
         return rt6_get_dflt_router(gwaddr, dev);
 }
 
@@ -1323,7 +1326,7 @@ restart:
 
                         read_unlock_bh(&rt6_lock);
 
-                        ip6_del_rt(rt, NULL, NULL);
+                        ip6_del_rt(rt, NULL, NULL, NULL);
 
                         goto restart;
                 }
@@ -1349,10 +1352,10 @@ int ipv6_route_ioctl(unsigned int cmd, void __user *arg)
                 rtnl_lock();
                 switch (cmd) {
                 case SIOCADDRT:
-                        err = ip6_route_add(&rtmsg, NULL, NULL);
+                        err = ip6_route_add(&rtmsg, NULL, NULL, NULL);
                         break;
                 case SIOCDELRT:
-                        err = ip6_route_del(&rtmsg, NULL, NULL);
+                        err = ip6_route_del(&rtmsg, NULL, NULL, NULL);
                         break;
                 default:
                         err = -EINVAL;
@@ -1546,7 +1549,7 @@ int inet6_rtm_delroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 
         if (inet6_rtm_to_rtmsg(r, arg, &rtmsg))
                 return -EINVAL;
-        return ip6_route_del(&rtmsg, nlh, arg);
+        return ip6_route_del(&rtmsg, nlh, arg, &NETLINK_CB(skb));
 }
 
 int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
@@ -1556,7 +1559,7 @@ int inet6_rtm_newroute(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg)
 
         if (inet6_rtm_to_rtmsg(r, arg, &rtmsg))
                 return -EINVAL;
-        return ip6_route_add(&rtmsg, nlh, arg);
+        return ip6_route_add(&rtmsg, nlh, arg, &NETLINK_CB(skb));
 }
 
 struct rt6_rtnl_dump_arg
@@ -1566,12 +1569,9 @@ struct rt6_rtnl_dump_arg
 };
 
 static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
-                         struct in6_addr *dst,
-                         struct in6_addr *src,
-                         int iif,
-                         int type, u32 pid, u32 seq,
-                         struct nlmsghdr *in_nlh, int prefix,
-                         unsigned int flags)
+                         struct in6_addr *dst, struct in6_addr *src,
+                         int iif, int type, u32 pid, u32 seq,
+                         int prefix, unsigned int flags)
 {
         struct rtmsg *rtm;
         struct nlmsghdr  *nlh;
@@ -1585,10 +1585,6 @@ static int rt6_fill_node(struct sk_buff *skb, struct rt6_info *rt,
                 }
         }
 
-        if (!pid && in_nlh) {
-                pid = in_nlh->nlmsg_pid;
-        }
-
         nlh = NLMSG_NEW(skb, pid, seq, type, sizeof(*rtm), flags);
         rtm = NLMSG_DATA(nlh);
         rtm->rtm_family = AF_INET6;
@@ -1675,7 +1671,7 @@ static int rt6_dump_route(struct rt6_info *rt, void *p_arg)
 
         return rt6_fill_node(arg->skb, rt, NULL, NULL, 0, RTM_NEWROUTE,
                      NETLINK_CB(arg->cb->skb).pid, arg->cb->nlh->nlmsg_seq,
-                     NULL, prefix, NLM_F_MULTI);
+                     prefix, NLM_F_MULTI);
 }
 
 static int fib6_dump_node(struct fib6_walker_t *w)
@@ -1823,7 +1819,7 @@ int inet6_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr* nlh, void *arg)
                             &fl.fl6_dst, &fl.fl6_src,
                             iif,
                             RTM_NEWROUTE, NETLINK_CB(in_skb).pid,
-                            nlh->nlmsg_seq, nlh, 0, 0);
+                            nlh->nlmsg_seq, 0, 0);
         if (err < 0) {
                 err = -EMSGSIZE;
                 goto out_free;
@@ -1839,17 +1835,25 @@ out_free:
         goto out;       
 }
 
-void inet6_rt_notify(int event, struct rt6_info *rt, struct nlmsghdr *nlh)
+void inet6_rt_notify(int event, struct rt6_info *rt, struct nlmsghdr *nlh, 
+                        struct netlink_skb_parms *req)
 {
         struct sk_buff *skb;
         int size = NLMSG_SPACE(sizeof(struct rtmsg)+256);
+        u32 pid = current->pid;
+        u32 seq = 0;
 
+        if (req)
+                pid = req->pid;
+        if (nlh)
+                seq = nlh->nlmsg_seq;
+        
         skb = alloc_skb(size, gfp_any());
         if (!skb) {
                 netlink_set_err(rtnl, 0, RTMGRP_IPV6_ROUTE, ENOBUFS);
                 return;
         }
-        if (rt6_fill_node(skb, rt, NULL, NULL, 0, event, 0, 0, nlh, 0, 0) < 0) {
+        if (rt6_fill_node(skb, rt, NULL, NULL, 0, event, pid, seq, 0, 0) < 0) {
                 kfree_skb(skb);
                 netlink_set_err(rtnl, 0, RTMGRP_IPV6_ROUTE, EINVAL);
                 return;