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xfrm: remove init_flags indirection from xfrm_state_afinfo

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There is only one implementation of this function; just call it directly.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
This commit is contained in:
Florian Westphal 2019-05-03 17:46:16 +02:00 committed by Steffen Klassert
parent 5c1b9ab3ec
commit e46817472a
3 changed files with 3 additions and 23 deletions
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1
include/net/xfrm.h
View File

@ -353,7 +353,6 @@ struct xfrm_state_afinfo {
const struct xfrm_type *type_map[IPPROTO_MAX];
const struct xfrm_type_offload *type_offload_map[IPPROTO_MAX];
int (*init_flags)(struct xfrm_state *x);
int (*tmpl_sort)(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n);
int (*state_sort)(struct xfrm_state **dst, struct xfrm_state **src, int n);
int (*output)(struct net *net, struct sock *sk, struct sk_buff *skb);

8
net/ipv4/xfrm4_state.c
View File

@ -15,13 +15,6 @@
#include <linux/netfilter_ipv4.h>
#include <linux/export.h>
static int xfrm4_init_flags(struct xfrm_state *x)
{
if (xs_net(x)->ipv4.sysctl_ip_no_pmtu_disc)
x->props.flags |= XFRM_STATE_NOPMTUDISC;
return 0;
}
int xfrm4_extract_header(struct sk_buff *skb)
{
const struct iphdr *iph = ip_hdr(skb);
@ -43,7 +36,6 @@ static struct xfrm_state_afinfo xfrm4_state_afinfo = {
.proto = IPPROTO_IPIP,
.eth_proto = htons(ETH_P_IP),
.owner = THIS_MODULE,
.init_flags = xfrm4_init_flags,
.output = xfrm4_output,
.output_finish = xfrm4_output_finish,
.extract_input = xfrm4_extract_input,

17
net/xfrm/xfrm_state.c
View File

@ -2263,25 +2263,14 @@ int xfrm_state_mtu(struct xfrm_state *x, int mtu)
int __xfrm_init_state(struct xfrm_state *x, bool init_replay, bool offload)
{
const struct xfrm_state_afinfo *afinfo;
const struct xfrm_mode *inner_mode;
const struct xfrm_mode *outer_mode;
int family = x->props.family;
int err;
err = -EAFNOSUPPORT;
afinfo = xfrm_state_get_afinfo(family);
if (!afinfo)
goto error;
err = 0;
if (afinfo->init_flags)
err = afinfo->init_flags(x);
rcu_read_unlock();
if (err)
goto error;
if (family == AF_INET &&
xs_net(x)->ipv4.sysctl_ip_no_pmtu_disc)
x->props.flags |= XFRM_STATE_NOPMTUDISC;
err = -EPROTONOSUPPORT;