[PATCH 3/4] [NETLINK] make xfrm_user use netlink_check_skb

[Pablo Neira <pablo@xxxxxxxxxxx>]

The modification required to make xfrm_user.c use netlink_check_skb

--
Pablo

===== net/xfrm/xfrm_user.c 1.52 vs edited =====
--- 1.52/net/xfrm/xfrm_user.c   2005-01-26 06:53:19 +01:00
+++ edited/net/xfrm/xfrm_user.c 2005-02-10 00:15:16 +01:00
@@ -980,33 +980,6 @@
        return -1;
 }
 
-static int xfrm_user_rcv_skb(struct sk_buff *skb)
-{
-       int err;
-       struct nlmsghdr *nlh;
-
-       while (skb->len >= NLMSG_SPACE(0)) {
-               u32 rlen;
-
-               nlh = (struct nlmsghdr *) skb->data;
-               if (nlh->nlmsg_len < sizeof(*nlh) ||
-                   skb->len < nlh->nlmsg_len)
-                       return 0;
-               rlen = NLMSG_ALIGN(nlh->nlmsg_len);
-               if (rlen > skb->len)
-                       rlen = skb->len;
-               if (xfrm_user_rcv_msg(skb, nlh, &err) < 0) {
-                       if (err == 0)
-                               return -1;
-                       netlink_ack(skb, nlh, err);
-               } else if (nlh->nlmsg_flags & NLM_F_ACK)
-                       netlink_ack(skb, nlh, 0);
-               skb_pull(skb, rlen);
-       }
-
-       return 0;
-}
-
 static void xfrm_netlink_rcv(struct sock *sk, int len)
 {
        do {
@@ -1015,7 +988,7 @@
                down(&xfrm_cfg_sem);
 
                while ((skb = skb_dequeue(&sk->sk_receive_queue)) != NULL) {
-                       if (xfrm_user_rcv_skb(skb)) {
+                       if (netlink_process_skb(skb, xfrm_user_rcv_msg)) {
                                if (skb->len)
                                        skb_queue_head(&sk->sk_receive_queue,
                                                       skb);