From 9acf4d3b9ec15f27a7d027c4ae4736c2fb967391 Mon Sep 17 00:00:00 2001 From: Florian Westphal Date: Fri, 11 Jun 2021 12:50:10 +0200 Subject: [PATCH] xfrm: ipv6: add xfrm6_hdr_offset helper This moves the ->hdr_offset indirect call to a new helper. A followup patch can then modify the new function to replace the indirect call by direct calls to the required hdr_offset helper. Signed-off-by: Florian Westphal Signed-off-by: Steffen Klassert --- net/xfrm/xfrm_output.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/net/xfrm/xfrm_output.c b/net/xfrm/xfrm_output.c index e4cb0ff4dcf41..6b44b6e738f74 100644 --- a/net/xfrm/xfrm_output.c +++ b/net/xfrm/xfrm_output.c @@ -77,6 +77,11 @@ static int xfrm4_transport_output(struct xfrm_state *x, struct sk_buff *skb) return 0; } +static int xfrm6_hdr_offset(struct xfrm_state *x, struct sk_buff *skb, u8 **prevhdr) +{ + return x->type->hdr_offset(x, skb, prevhdr); +} + /* Add encapsulation header. * * The IP header and mutable extension headers will be moved forward to make @@ -92,7 +97,7 @@ static int xfrm6_transport_output(struct xfrm_state *x, struct sk_buff *skb) iph = ipv6_hdr(skb); skb_set_inner_transport_header(skb, skb_transport_offset(skb)); - hdr_len = x->type->hdr_offset(x, skb, &prevhdr); + hdr_len = xfrm6_hdr_offset(x, skb, &prevhdr); if (hdr_len < 0) return hdr_len; skb_set_mac_header(skb, @@ -122,7 +127,7 @@ static int xfrm6_ro_output(struct xfrm_state *x, struct sk_buff *skb) iph = ipv6_hdr(skb); - hdr_len = x->type->hdr_offset(x, skb, &prevhdr); + hdr_len = xfrm6_hdr_offset(x, skb, &prevhdr); if (hdr_len < 0) return hdr_len; skb_set_mac_header(skb, -- 2.30.2