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netfilter: nfnl_hook: fix unused variable warning

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The only user of this variable is in an #ifdef:

net/netfilter/nfnetlink_hook.c: In function 'nfnl_hook_entries_head':
net/netfilter/nfnetlink_hook.c:177:28: error: unused variable 'netdev' [-Werror=unused-variable]

Fixes: e2cf17d3774c ("netfilter: add new hook nfnl subsystem")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Arnd Bergmann 2021-07-21 17:22:32 +02:00 committed by Pablo Neira Ayuso
parent a33f387ecd
commit 217e26bd87
1 changed files with 2 additions and 0 deletions
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2
net/netfilter/nfnetlink_hook.c
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@ -174,7 +174,9 @@ static const struct nf_hook_entries *
nfnl_hook_entries_head(u8 pf, unsigned int hook, struct net *net, const char *dev)
{
const struct nf_hook_entries *hook_head = NULL;
#ifdef CONFIG_NETFILTER_INGRESS
struct net_device *netdev;
#endif
switch (pf) {
case NFPROTO_IPV4: