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xfrm: fix unused variable warning if CONFIG_NETFILTER=n

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After recent change 'x' is only used when CONFIG_NETFILTER is set:

net/ipv4/xfrm4_output.c: In function '__xfrm4_output':
net/ipv4/xfrm4_output.c:19:21: warning: unused variable 'x' [-Wunused-variable]
   19 |  struct xfrm_state *x = skb_dst(skb)->xfrm;

Expand the CONFIG_NETFILTER scope to avoid this.

Fixes: 2ab6096db2 ("xfrm: remove output_finish indirection from xfrm_state_afinfo")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Florian Westphal 2020-05-11 10:33:42 +02:00 committed by Steffen Klassert
parent 2ab6096db2
commit 7d4343d501
1 changed files with 1 additions and 1 deletions
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2
net/ipv4/xfrm4_output.c
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@ -16,9 +16,9 @@
static int __xfrm4_output(struct net *net, struct sock *sk, struct sk_buff *skb)
{
#ifdef CONFIG_NETFILTER
struct xfrm_state *x = skb_dst(skb)->xfrm;
#ifdef CONFIG_NETFILTER
if (!x) {
IPCB(skb)->flags |= IPSKB_REROUTED;
return dst_output(net, sk, skb);