[PATCH 2.6.25] [IPV6] Always pass a valid nl_info to inet6_rt_notify.

[Denis V. Lunev]

[IPV6] Always pass a valid nl_info to inet6_rt_notify.

This makes the code in the inet6_rt_notify more straightforward and provides
groud for namespace passing.

Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>
---
 net/ipv6/ip6_fib.c |    3 ++-
 net/ipv6/route.c   |   27 +++++++++++++--------------
 2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 5fae045..df05c6f 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -1315,6 +1315,7 @@ static int fib6_walk(struct fib6_walker_t *w)
 
 static int fib6_clean_node(struct fib6_walker_t *w)
 {
+       struct nl_info info = {};
        int res;
        struct rt6_info *rt;
        struct fib6_cleaner_t *c = container_of(w, struct fib6_cleaner_t, w);
@@ -1323,7 +1324,7 @@ static int fib6_clean_node(struct fib6_walker_t *w)
                res = c->func(rt, c->arg);
                if (res < 0) {
                        w->leaf = rt;
-                       res = fib6_del(rt, NULL);
+                       res = fib6_del(rt, &info);
                        if (res) {
 #if RT6_DEBUG >= 2
                                printk(KERN_DEBUG "fib6_clean_node: del failed: 
[EMAIL PROTECTED] err=%d\n", rt, rt->rt6i_node, res);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1530934..02354a7 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -604,7 +604,8 @@ 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,
@@ -1261,7 +1262,8 @@ 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)
@@ -2238,29 +2240,26 @@ 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);
-- 
1.5.3.rc5

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