netfilter: nfnetlink_acct: report overquota to the right netns

We should report the over quota message to the right net namespace
instead of the init netns.

Signed-off-by: Liping Zhang <liping.zhang@spreadtrum.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

diff --git a/include/linux/netfilter/nfnetlink_acct.h b/include/linux/netfilter/nfnetlink_acct.h
index 80ca889b164e3eab5b42c7249d264f55650e44bf..664da00486257519acadedde60b5de1571a8d540 100644 (file)
--- a/include/linux/netfilter/nfnetlink_acct.h
+++ b/include/linux/netfilter/nfnetlink_acct.h
@@ -15,6 +15,6 @@ struct nf_acct;
 struct nf_acct *nfnl_acct_find_get(struct net *net, const char *filter_name);
 void nfnl_acct_put(struct nf_acct *acct);
 void nfnl_acct_update(const struct sk_buff *skb, struct nf_acct *nfacct);
-extern int nfnl_acct_overquota(const struct sk_buff *skb,
-                             struct nf_acct *nfacct);
+int nfnl_acct_overquota(struct net *net, const struct sk_buff *skb,
+                       struct nf_acct *nfacct);
 #endif /* _NFNL_ACCT_H */

diff --git a/net/netfilter/nfnetlink_acct.c b/net/netfilter/nfnetlink_acct.c
index 1b4de4bd695865c9bb9b2ca70b8b309d902ccc10..796605b76d6b10b7c0f2cdcdde7af9317db0ee20 100644 (file)
--- a/net/netfilter/nfnetlink_acct.c
+++ b/net/netfilter/nfnetlink_acct.c
@@ -443,7 +443,7 @@ void nfnl_acct_update(const struct sk_buff *skb, struct nf_acct *nfacct)
 }
 EXPORT_SYMBOL_GPL(nfnl_acct_update);
 
-static void nfnl_overquota_report(struct nf_acct *nfacct)
+static void nfnl_overquota_report(struct net *net, struct nf_acct *nfacct)
 {
        int ret;
        struct sk_buff *skb;
@@ -458,11 +458,12 @@ static void nfnl_overquota_report(struct nf_acct *nfacct)
                kfree_skb(skb);
                return;
        }
-       netlink_broadcast(init_net.nfnl, skb, 0, NFNLGRP_ACCT_QUOTA,
+       netlink_broadcast(net->nfnl, skb, 0, NFNLGRP_ACCT_QUOTA,
                          GFP_ATOMIC);
 }
 
-int nfnl_acct_overquota(const struct sk_buff *skb, struct nf_acct *nfacct)
+int nfnl_acct_overquota(struct net *net, const struct sk_buff *skb,
+                       struct nf_acct *nfacct)
 {
        u64 now;
        u64 *quota;
@@ -480,7 +481,7 @@ int nfnl_acct_overquota(const struct sk_buff *skb, struct nf_acct *nfacct)
 
        if (now >= *quota &&
            !test_and_set_bit(NFACCT_OVERQUOTA_BIT, &nfacct->flags)) {
-               nfnl_overquota_report(nfacct);
+               nfnl_overquota_report(net, nfacct);
        }
 
        return ret;

diff --git a/net/netfilter/xt_nfacct.c b/net/netfilter/xt_nfacct.c
index 3048a7e3a90a5a27887b7e4ff731d00098f2c928..cf327593852a2b75cf3d5eb9e9e8d07af27b17a8 100644 (file)
--- a/net/netfilter/xt_nfacct.c
+++ b/net/netfilter/xt_nfacct.c
@@ -26,7 +26,7 @@ static bool nfacct_mt(const struct sk_buff *skb, struct xt_action_param *par)
 
        nfnl_acct_update(skb, info->nfacct);
 
-       overquota = nfnl_acct_overquota(skb, info->nfacct);
+       overquota = nfnl_acct_overquota(par->net, skb, info->nfacct);
 
        return overquota == NFACCT_UNDERQUOTA ? false : true;
 }