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netfilter: ipt_CLUSTERIP: fix warning unused variable cn

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When CONFIG_PROC_FS isn't set the variable cn isn't used.

net/ipv4/netfilter/ipt_CLUSTERIP.c: In function ‘clusterip_net_exit’:
net/ipv4/netfilter/ipt_CLUSTERIP.c:849:24: warning: unused variable ‘cn’ [-Wunused-variable]
  struct clusterip_net *cn = clusterip_pernet(net);
                        ^~

Rework so the variable 'cn' is declared inside "#ifdef CONFIG_PROC_FS".

Fixes: b12f7bad5a ("netfilter: ipt_CLUSTERIP: remove wrong WARN_ON_ONCE in netns exit routine")
Signed-off-by: Anders Roxell <anders.roxell@linaro.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Anders Roxell 2019-01-23 12:48:11 +01:00 committed by Pablo Neira Ayuso
parent 1a6a0951fc
commit 206b8cc514
1 changed files with 1 additions and 1 deletions
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net/ipv4/netfilter/ipt_CLUSTERIP.c
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@ -846,9 +846,9 @@ static int clusterip_net_init(struct net *net)
static void clusterip_net_exit(struct net *net)
{
#ifdef CONFIG_PROC_FS
struct clusterip_net *cn = clusterip_pernet(net);
#ifdef CONFIG_PROC_FS
mutex_lock(&cn->mutex);
proc_remove(cn->procdir);
cn->procdir = NULL;