From: Patrick McHardy <kaber@trash.net>
Date: Thu, 9 Jan 2014 18:42:33 +0000 (+0000)
Subject: netfilter: nf_tables: fix check for table overflow
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=758206760cbadf66dc31d6587f5958691b34e9e5;p=linux-beck.git

netfilter: nf_tables: fix check for table overflow

The table use counter is only increased for new chains, so move the check
to the correct position.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---

diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c
index d275d384bbc5..290472c0bf4f 100644
--- a/net/netfilter/nf_tables_api.c
+++ b/net/netfilter/nf_tables_api.c
@@ -834,9 +834,6 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
 	if (IS_ERR(table))
 		return PTR_ERR(table);
 
-	if (table->use == UINT_MAX)
-		return -EOVERFLOW;
-
 	chain = NULL;
 	name = nla[NFTA_CHAIN_NAME];
 
@@ -899,6 +896,9 @@ static int nf_tables_newchain(struct sock *nlsk, struct sk_buff *skb,
 		goto notify;
 	}
 
+	if (table->use == UINT_MAX)
+		return -EOVERFLOW;
+
 	if (nla[NFTA_CHAIN_HOOK]) {
 		struct nf_hook_ops *ops;
 		nf_hookfn *hookfn;