[IPv6] link: Convert link notifications to use rtnl_notify()

Fixes a wrong use of current->pid as netlink pid.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 14 insertions, 11 deletions

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 81e9ef14676f..2a3be0f1c516 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -3438,20 +3438,23 @@ static int inet6_dump_ifinfo(struct sk_buff *skb, struct netlink_callback *cb)
 void inet6_ifinfo_notify(int event, struct inet6_dev *idev)
 {
         struct sk_buff *skb;
-        int size = NLMSG_SPACE(sizeof(struct ifinfomsg) + INET6_IFINFO_RTA_SPACE);
+        int payload = sizeof(struct ifinfomsg) + INET6_IFINFO_RTA_SPACE;
+        int err = -ENOBUFS;
         
-        skb = alloc_skb(size, GFP_ATOMIC);
-        if (!skb) {
-                netlink_set_err(rtnl, 0, RTNLGRP_IPV6_IFINFO, ENOBUFS);
-                return;
-        }
-        if (inet6_fill_ifinfo(skb, idev, current->pid, 0, event, 0) < 0) {
+        skb = nlmsg_new(nlmsg_total_size(payload), GFP_ATOMIC);
+        if (skb == NULL)
+                goto errout;
+
+        err = inet6_fill_ifinfo(skb, idev, 0, 0, event, 0);
+        if (err < 0) {
                 kfree_skb(skb);
-                netlink_set_err(rtnl, 0, RTNLGRP_IPV6_IFINFO, EINVAL);
-                return;
+                goto errout;
         }
-        NETLINK_CB(skb).dst_group = RTNLGRP_IPV6_IFINFO;
-        netlink_broadcast(rtnl, skb, 0, RTNLGRP_IPV6_IFINFO, GFP_ATOMIC);
+
+        err = rtnl_notify(skb, 0, RTNLGRP_IPV6_IFADDR, NULL, GFP_ATOMIC);
+errout:
+        if (err < 0)
+                rtnl_set_sk_err(RTNLGRP_IPV6_IFADDR, err);
 }
 
 /* Maximum length of prefix_cacheinfo attributes */