[PATCH] netfilter: fix mangle tables back

[Alexey Dobriyan <adobriyan@gmail.com>]

Calling POST_ROUTING hook with NULL input device is not going to work.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---

 net/ipv4/netfilter/iptable_mangle.c  |    2 +-
 net/ipv6/netfilter/ip6table_mangle.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

--- a/net/ipv4/netfilter/iptable_mangle.c
+++ b/net/ipv4/netfilter/iptable_mangle.c
@@ -85,7 +85,7 @@ iptable_mangle_hook(unsigned int hook,
 		     const struct net_device *out,
 		     int (*okfn)(struct sk_buff *))
 {
-	if (hook == NF_INET_LOCAL_OUT)
+	if (hook == NF_INET_LOCAL_OUT || hook == NF_INET_POST_ROUTING)
 		return ipt_local_hook(hook, skb, in, out, okfn);
 
 	/* PREROUTING/INPUT/FORWARD: */
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -79,7 +79,7 @@ ip6table_mangle_hook(unsigned int hook, struct sk_buff *skb,
 		     const struct net_device *in, const struct net_device *out,
 		     int (*okfn)(struct sk_buff *))
 {
-	if (hook == NF_INET_LOCAL_OUT)
+	if (hook == NF_INET_LOCAL_OUT || hook == NF_INET_POST_ROUTING)
 		return ip6t_local_out_hook(hook, skb, out, okfn);
 
 	/* INPUT/FORWARD */