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netfilter: ipt_CLUSTERIP: fix clusterip_net_exit build regression 

The added check produces a build error when CONFIG_PROC_FS is
disabled:

net/ipv4/netfilter/ipt_CLUSTERIP.c: In function 'clusterip_net_exit':
net/ipv4/netfilter/ipt_CLUSTERIP.c:822:28: error: 'cn' undeclared (first use in this function)

This moves the variable declaration out of the #ifdef to make it
available to the WARN_ON_ONCE().

Fixes: 613d0776d3 ("netfilter: exit_net cleanup check added")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Vasily Averin <vvs@virtuozzo.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Arnd Bergmann 2017-12-07 14:26:09 +01:00 committed by Pablo Neira Ayuso
parent 916a27901d
commit 96307a0a75
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/netfilter/ipt_CLUSTERIP.c
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@ -813,8 +813,8 @@ static int clusterip_net_init(struct net *net)
static void clusterip_net_exit(struct net *net)
{
#ifdef CONFIG_PROC_FS
struct clusterip_net *cn = net_generic(net, clusterip_net_id);
#ifdef CONFIG_PROC_FS
proc_remove(cn->procdir);
cn->procdir = NULL;
#endif