[IPV6]: Always pass a valid nl_info to inet6_rt_notify.

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

diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 11ef456..b80ef57 100644 (file)
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -609,7 +609,8 @@ static int __ip6_ins_rt(struct rt6_info *rt, struct nl_info *info)
 
 int ip6_ins_rt(struct rt6_info *rt)
 {
-       return __ip6_ins_rt(rt, NULL);
+       struct nl_info info = {};
+       return __ip6_ins_rt(rt, &info);
 }
 
 static struct rt6_info *rt6_alloc_cow(struct rt6_info *ort, struct in6_addr *daddr,
@@ -1266,7 +1267,8 @@ static int __ip6_del_rt(struct rt6_info *rt, struct nl_info *info)
 
 int ip6_del_rt(struct rt6_info *rt)
 {
-       return __ip6_del_rt(rt, NULL);
+       struct nl_info info = {};
+       return __ip6_del_rt(rt, &info);
 }
 
 static int ip6_route_del(struct fib6_config *cfg)
@@ -2243,29 +2245,26 @@ errout:
 void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info)
 {
        struct sk_buff *skb;
-       u32 pid = 0, seq = 0;
-       struct nlmsghdr *nlh = NULL;
-       int err = -ENOBUFS;
-
-       if (info) {
-               pid = info->pid;
-               nlh = info->nlh;
-               if (nlh)
-                       seq = nlh->nlmsg_seq;
-       }
+       u32 seq;
+       int err;
+
+       err = -ENOBUFS;
+       seq = info->nlh != NULL ? info->nlh->nlmsg_seq : 0;
 
        skb = nlmsg_new(rt6_nlmsg_size(), gfp_any());
        if (skb == NULL)
                goto errout;
 
-       err = rt6_fill_node(skb, rt, NULL, NULL, 0, event, pid, seq, 0, 0);
+       err = rt6_fill_node(skb, rt, NULL, NULL, 0,
+                               event, info->pid, seq, 0, 0);
        if (err < 0) {
                /* -EMSGSIZE implies BUG in rt6_nlmsg_size() */
                WARN_ON(err == -EMSGSIZE);
                kfree_skb(skb);
                goto errout;
        }
-       err = rtnl_notify(skb, &init_net, pid, RTNLGRP_IPV6_ROUTE, nlh, gfp_any());
+       err = rtnl_notify(skb, &init_net, info->pid,
+                               RTNLGRP_IPV6_ROUTE, info->nlh, gfp_any());
 errout:
        if (err < 0)
                rtnl_set_sk_err(&init_net, RTNLGRP_IPV6_ROUTE, err);