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xfrm: avoid compiler warning when ipv6 is disabled 

with CONFIG_IPV6=n:
xfrm_output.c:140:12: warning: 'xfrm6_hdr_offset' defined but not used

Fixes: 9acf4d3b9e ("xfrm: ipv6: add xfrm6_hdr_offset helper")
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Florian Westphal 2021-06-15 16:27:20 +02:00 committed by Steffen Klassert
parent 1b50dd478f
commit 30ad6a84f6
1 changed files with 2 additions and 0 deletions
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2
net/xfrm/xfrm_output.c
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@ -137,6 +137,7 @@ static int mip6_rthdr_offset(struct sk_buff *skb, u8 **nexthdr, int type)
}
#endif
#if IS_ENABLED(CONFIG_IPV6)
static int xfrm6_hdr_offset(struct xfrm_state *x, struct sk_buff *skb, u8 **prevhdr)
{
switch (x->type->proto) {
@ -151,6 +152,7 @@ static int xfrm6_hdr_offset(struct xfrm_state *x, struct sk_buff *skb, u8 **prev
return ip6_find_1stfragopt(skb, prevhdr);
}
#endif
/* Add encapsulation header.
*