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Subject[PATCH 130/139] ipv4: fix a bug in ping_err().
Date
3.5.7.7 -stable review patch.  If anyone has any objections, please let me know.

------------------

From: Li Wei <lw@cn.fujitsu.com>

commit b531ed61a2a2a77eeb2f7c88b49aa5ec7d9880d8 upstream.

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>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
---
net/ipv4/ping.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/net/ipv4/ping.c b/net/ipv4/ping.c
index 2c00e8b..79db4e5 100644
--- a/net/ipv4/ping.c
+++ b/net/ipv4/ping.c
@@ -328,8 +328,8 @@ 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;
--
1.8.1.2


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