netfilter: x_tables: added hook number into match extension parameter structure.

Signed-off-by: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Patrick McHardy <kaber@trash.net>

4 files changed, 7 insertions, 5 deletions

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index c9efe039dc5..1030b759389 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -184,9 +184,10 @@ struct xt_counters_info
  * @matchinfo:  per-match data
  * @fragoff:    packet is a fragment, this is the data offset
  * @thoff:      position of transport header relative to skb->data
- * @hotdrop:    drop packet if we had inspection problems
+ * @hook:       hook number given packet came from
  * @family:     Actual NFPROTO_* through which the function is invoked
  *              (helpful when match->family == NFPROTO_UNSPEC)
+ * @hotdrop:    drop packet if we had inspection problems
  */
 struct xt_match_param {
         const struct net_device *in, *out;
@@ -194,8 +195,9 @@ struct xt_match_param {
         const void *matchinfo;
         int fragoff;
         unsigned int thoff;
-        bool *hotdrop;
+        unsigned int hooknum;
         u_int8_t family;
+        bool *hotdrop;
 };
 
 /**
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 24555834d43..37928d5f284 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -170,7 +170,7 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
         mtpar.in      = tgpar.in  = in;
         mtpar.out     = tgpar.out = out;
         mtpar.hotdrop = &hotdrop;
-        tgpar.hooknum = hook;
+        mtpar.hooknum = tgpar.hooknum = hook;
 
         read_lock_bh(&table->lock);
         private = table->private;
diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c
index 7b35c0b3841..5bf7c3f185d 100644
--- a/net/ipv4/netfilter/ip_tables.c
+++ b/net/ipv4/netfilter/ip_tables.c
@@ -343,7 +343,7 @@ ipt_do_table(struct sk_buff *skb,
         mtpar.in      = tgpar.in  = in;
         mtpar.out     = tgpar.out = out;
         mtpar.family  = tgpar.family = NFPROTO_IPV4;
-        tgpar.hooknum = hook;
+        mtpar.hooknum = tgpar.hooknum = hook;
 
         IP_NF_ASSERT(table->valid_hooks & (1 << hook));
         xt_info_rdlock_bh();
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 5164e0bf3bc..ced1f2c0cb6 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -369,7 +369,7 @@ ip6t_do_table(struct sk_buff *skb,
         mtpar.in      = tgpar.in  = in;
         mtpar.out     = tgpar.out = out;
         mtpar.family  = tgpar.family = NFPROTO_IPV6;
-        tgpar.hooknum = hook;
+        mtpar.hooknum = tgpar.hooknum = hook;
 
         IP_NF_ASSERT(table->valid_hooks & (1 << hook));