X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=net%2Fipv4%2Ffib_frontend.c;h=19b1b984d68743cd22d935421cbbe44b6360b5fc;hb=927fe18397b3b1194a5b26b1d388d97e391e5fd2;hp=990633c09dfe4ccdf345d06281880117b57c7906;hpb=53b2ec5518aa2623e8c0cb36f1c304a797988a46;p=powerpc.git

diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 990633c09d..19b1b984d6 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -266,8 +266,7 @@ int ip_rt_ioctl(unsigned int cmd, void __user *arg)
 				if (tb)
 					err = tb->tb_insert(tb, &req.rtm, &rta, &req.nlh, NULL);
 			}
-			if (rta.rta_mx)
-				kfree(rta.rta_mx);
+			kfree(rta.rta_mx);
 		}
 		rtnl_unlock();
 		return err;
@@ -408,7 +407,7 @@ static void fib_magic(int cmd, int type, u32 dst, int dst_len, struct in_ifaddr
 		tb->tb_delete(tb, &req.rtm, &rta, &req.nlh, NULL);
 }
 
-static void fib_add_ifaddr(struct in_ifaddr *ifa)
+void fib_add_ifaddr(struct in_ifaddr *ifa)
 {
 	struct in_device *in_dev = ifa->ifa_dev;
 	struct net_device *dev = in_dev->dev;
@@ -545,12 +544,16 @@ static void nl_fib_input(struct sock *sk, int len)
 	struct sk_buff *skb = NULL;
         struct nlmsghdr *nlh = NULL;
 	struct fib_result_nl *frn;
-	int err;
 	u32 pid;     
 	struct fib_table *tb;
 	
-	skb = skb_recv_datagram(sk, 0, 0, &err);
+	skb = skb_dequeue(&sk->sk_receive_queue);
 	nlh = (struct nlmsghdr *)skb->data;
+	if (skb->len < NLMSG_SPACE(0) || skb->len < nlh->nlmsg_len ||
+	    nlh->nlmsg_len < NLMSG_LENGTH(sizeof(*frn))) {
+		kfree_skb(skb);
+		return;
+	}
 	
 	frn = (struct fib_result_nl *) NLMSG_DATA(nlh);
 	tb = fib_get_table(frn->tb_id_in);