netfilter: nf_conntrack: log packets dropped by helpers

[pandora-kernel.git] / net / ipv4 / netfilter / nf_conntrack_l3proto_ipv4.c

diff --git a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
index 9ac2fdc..aa95bb8 100644 (file)
--- a/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
+++ b/net/ipv4/netfilter/nf_conntrack_l3proto_ipv4.c
@@ -26,6 +26,7 @@
 #include <net/netfilter/ipv4/nf_conntrack_ipv4.h>
 #include <net/netfilter/nf_nat_helper.h>
 #include <net/netfilter/ipv4/nf_defrag_ipv4.h>
+#include <net/netfilter/nf_log.h>
 
 int (*nf_nat_seq_adjust_hook)(struct sk_buff *skb,
                              struct nf_conn *ct,
@@ -113,8 +114,11 @@ static unsigned int ipv4_confirm(unsigned int hooknum,
 
        ret = helper->help(skb, skb_network_offset(skb) + ip_hdrlen(skb),
                           ct, ctinfo);
-       if (ret != NF_ACCEPT)
+       if (ret != NF_ACCEPT) {
+               nf_log_packet(NFPROTO_IPV4, hooknum, skb, in, out, NULL,
+                             "nf_ct_%s: dropping packet", helper->name);
                return ret;
+       }
 
        if (test_bit(IPS_SEQ_ADJUST_BIT, &ct->status)) {
                typeof(nf_nat_seq_adjust_hook) seq_adjust;