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

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

Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis V. Lunev 2007-12-13 09:45:12 -08:00 committed by David S. Miller
parent aef2178599
commit 528c4ceb42
2 changed files with 14 additions and 14 deletions
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3
net/ipv6/ip6_fib.c
View File

@ -1315,6 +1315,7 @@ static int fib6_walk(struct fib6_walker_t *w)
static int fib6_clean_node(struct fib6_walker_t *w) static int fib6_clean_node(struct fib6_walker_t *w)
{ {
struct nl_info info = {};
int res; int res;
struct rt6_info *rt; struct rt6_info *rt;
struct fib6_cleaner_t *c = container_of(w, struct fib6_cleaner_t, w); 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); res = c->func(rt, c->arg);
if (res < 0) { if (res < 0) {
w->leaf = rt; w->leaf = rt;
res = fib6_del(rt, NULL); res = fib6_del(rt, &info);
if (res) { if (res) {
#if RT6_DEBUG >= 2 #if RT6_DEBUG >= 2
printk(KERN_DEBUG "fib6_clean_node: del failed: rt=%p@%p err=%d\n", rt, rt->rt6i_node, res); printk(KERN_DEBUG "fib6_clean_node: del failed: rt=%p@%p err=%d\n", rt, rt->rt6i_node, res);

25
net/ipv6/route.c
View File

@ -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) 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, 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) 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) 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) void inet6_rt_notify(int event, struct rt6_info *rt, struct nl_info *info)
{ {
struct sk_buff *skb; struct sk_buff *skb;
u32 pid = 0, seq = 0; u32 seq;
struct nlmsghdr *nlh = NULL; int err;
int err = -ENOBUFS;
if (info) { err = -ENOBUFS;
pid = info->pid; seq = info->nlh != NULL ? info->nlh->nlmsg_seq : 0;
nlh = info->nlh;
if (nlh)
seq = nlh->nlmsg_seq;
}
skb = nlmsg_new(rt6_nlmsg_size(), gfp_any()); skb = nlmsg_new(rt6_nlmsg_size(), gfp_any());
if (skb == NULL) if (skb == NULL)
goto errout; 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) { if (err < 0) {
/* -EMSGSIZE implies BUG in rt6_nlmsg_size() */ /* -EMSGSIZE implies BUG in rt6_nlmsg_size() */
WARN_ON(err == -EMSGSIZE); WARN_ON(err == -EMSGSIZE);
kfree_skb(skb); kfree_skb(skb);
goto errout; 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: errout:
if (err < 0) if (err < 0)
rtnl_set_sk_err(&init_net, RTNLGRP_IPV6_ROUTE, err); rtnl_set_sk_err(&init_net, RTNLGRP_IPV6_ROUTE, err);