ipv4: fix a bug in ping_err().
authorLi Wei <lw@cn.fujitsu.com>
Thu, 21 Feb 2013 00:09:54 +0000 (00:09 +0000)
committerDavid S. Miller <davem@davemloft.net>
Thu, 21 Feb 2013 20:25:00 +0000 (15:25 -0500)
We should get 'type' and 'code' from the outer ICMP header.

Signed-off-by: Li Wei <lw@cn.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/ping.c

index 55c4ee1bba062276ff2a21055dfa6d0a01a71513..2e91006d6076492fb0fe3b0bdf831c42bca56756 100644 (file)
@@ -322,8 +322,8 @@ void ping_err(struct sk_buff *skb, u32 info)
        struct iphdr *iph = (struct iphdr *)skb->data;
        struct icmphdr *icmph = (struct icmphdr *)(skb->data+(iph->ihl<<2));
        struct inet_sock *inet_sock;
-       int type = icmph->type;
-       int code = icmph->code;
+       int type = icmp_hdr(skb)->type;
+       int code = icmp_hdr(skb)->code;
        struct net *net = dev_net(skb->dev);
        struct sock *sk;
        int harderr;