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Commit 35a7aa08 authored by Thomas Graf's avatar Thomas Graf Committed by David S. Miller
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[XFRM] netlink: Rename attribute array from xfrma[] to attrs[] 

Increases readability a lot.
Signed-off-by: default avatarThomas Graf <tgraf@suug.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fab44899
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Showing with 94 additions and 94 deletions
net/xfrm/xfrm_user.c
View file @ 35a7aa08
......@@ -38,9 +38,9 @@ static inline int alg_len(struct xfrm_algo *alg)
return sizeof(*alg) + ((alg->alg_key_len + 7) / 8);
}
static int verify_one_alg(struct rtattr **xfrma, enum xfrm_attr_type_t type)
static int verify_one_alg(struct rtattr **attrs, enum xfrm_attr_type_t type)
{
struct rtattr *rt = xfrma[type];
struct rtattr *rt = attrs[type];
struct xfrm_algo *algp;
if (!rt)
......@@ -75,18 +75,18 @@ static int verify_one_alg(struct rtattr **xfrma, enum xfrm_attr_type_t type)
return 0;
}
static void verify_one_addr(struct rtattr **xfrma, enum xfrm_attr_type_t type,
static void verify_one_addr(struct rtattr **attrs, enum xfrm_attr_type_t type,
xfrm_address_t **addrp)
{
struct rtattr *rt = xfrma[type];
struct rtattr *rt = attrs[type];
if (rt && addrp)
*addrp = RTA_DATA(rt);
}
static inline int verify_sec_ctx_len(struct rtattr **xfrma)
static inline int verify_sec_ctx_len(struct rtattr **attrs)
{
struct rtattr *rt = xfrma[XFRMA_SEC_CTX];
struct rtattr *rt = attrs[XFRMA_SEC_CTX];
struct xfrm_user_sec_ctx *uctx;
if (!rt)
......@@ -101,7 +101,7 @@ static inline int verify_sec_ctx_len(struct rtattr **xfrma)
static int verify_newsa_info(struct xfrm_usersa_info *p,
struct rtattr **xfrma)
struct rtattr **attrs)
{
int err;
......@@ -125,35 +125,35 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
err = -EINVAL;
switch (p->id.proto) {
case IPPROTO_AH:
if (!xfrma[XFRMA_ALG_AUTH] ||
xfrma[XFRMA_ALG_CRYPT] ||
xfrma[XFRMA_ALG_COMP])
if (!attrs[XFRMA_ALG_AUTH] ||
attrs[XFRMA_ALG_CRYPT] ||
attrs[XFRMA_ALG_COMP])
goto out;
break;
case IPPROTO_ESP:
if ((!xfrma[XFRMA_ALG_AUTH] &&
!xfrma[XFRMA_ALG_CRYPT]) ||
xfrma[XFRMA_ALG_COMP])
if ((!attrs[XFRMA_ALG_AUTH] &&
!attrs[XFRMA_ALG_CRYPT]) ||
attrs[XFRMA_ALG_COMP])
goto out;
break;
case IPPROTO_COMP:
if (!xfrma[XFRMA_ALG_COMP] ||
xfrma[XFRMA_ALG_AUTH] ||
xfrma[XFRMA_ALG_CRYPT])
if (!attrs[XFRMA_ALG_COMP] ||
attrs[XFRMA_ALG_AUTH] ||
attrs[XFRMA_ALG_CRYPT])
goto out;
break;
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
case IPPROTO_DSTOPTS:
case IPPROTO_ROUTING:
if (xfrma[XFRMA_ALG_COMP] ||
xfrma[XFRMA_ALG_AUTH] ||
xfrma[XFRMA_ALG_CRYPT] ||
xfrma[XFRMA_ENCAP] ||
xfrma[XFRMA_SEC_CTX] ||
!xfrma[XFRMA_COADDR])
if (attrs[XFRMA_ALG_COMP] ||
attrs[XFRMA_ALG_AUTH] ||
attrs[XFRMA_ALG_CRYPT] ||
attrs[XFRMA_ENCAP] ||
attrs[XFRMA_SEC_CTX] ||
!attrs[XFRMA_COADDR])
goto out;
break;
#endif
......@@ -162,13 +162,13 @@ static int verify_newsa_info(struct xfrm_usersa_info *p,
goto out;
}
if ((err = verify_one_alg(xfrma, XFRMA_ALG_AUTH)))
if ((err = verify_one_alg(attrs, XFRMA_ALG_AUTH)))
goto out;
if ((err = verify_one_alg(xfrma, XFRMA_ALG_CRYPT)))
if ((err = verify_one_alg(attrs, XFRMA_ALG_CRYPT)))
goto out;
if ((err = verify_one_alg(xfrma, XFRMA_ALG_COMP)))
if ((err = verify_one_alg(attrs, XFRMA_ALG_COMP)))
goto out;
if ((err = verify_sec_ctx_len(xfrma)))
if ((err = verify_sec_ctx_len(attrs)))
goto out;
err = -EINVAL;
......@@ -298,12 +298,12 @@ static void copy_from_user_state(struct xfrm_state *x, struct xfrm_usersa_info *
* somehow made shareable and move it to xfrm_state.c - JHS
*
*/
static void xfrm_update_ae_params(struct xfrm_state *x, struct rtattr **xfrma)
static void xfrm_update_ae_params(struct xfrm_state *x, struct rtattr **attrs)
{
struct rtattr *rp = xfrma[XFRMA_REPLAY_VAL];
struct rtattr *lt = xfrma[XFRMA_LTIME_VAL];
struct rtattr *et = xfrma[XFRMA_ETIMER_THRESH];
struct rtattr *rt = xfrma[XFRMA_REPLAY_THRESH];
struct rtattr *rp = attrs[XFRMA_REPLAY_VAL];
struct rtattr *lt = attrs[XFRMA_LTIME_VAL];
struct rtattr *et = attrs[XFRMA_ETIMER_THRESH];
struct rtattr *rt = attrs[XFRMA_REPLAY_THRESH];
if (rp) {
struct xfrm_replay_state *replay;
......@@ -329,7 +329,7 @@ static void xfrm_update_ae_params(struct xfrm_state *x, struct rtattr **xfrma)
}
static struct xfrm_state *xfrm_state_construct(struct xfrm_usersa_info *p,
struct rtattr **xfrma,
struct rtattr **attrs,
int *errp)
{
struct xfrm_state *x = xfrm_state_alloc();
......@@ -342,25 +342,25 @@ static struct xfrm_state *xfrm_state_construct(struct xfrm_usersa_info *p,
if ((err = attach_one_algo(&x->aalg, &x->props.aalgo,
xfrm_aalg_get_byname,
xfrma[XFRMA_ALG_AUTH])))
attrs[XFRMA_ALG_AUTH])))
goto error;
if ((err = attach_one_algo(&x->ealg, &x->props.ealgo,
xfrm_ealg_get_byname,
xfrma[XFRMA_ALG_CRYPT])))
attrs[XFRMA_ALG_CRYPT])))
goto error;
if ((err = attach_one_algo(&x->calg, &x->props.calgo,
xfrm_calg_get_byname,
xfrma[XFRMA_ALG_COMP])))
attrs[XFRMA_ALG_COMP])))
goto error;
if ((err = attach_encap_tmpl(&x->encap, xfrma[XFRMA_ENCAP])))
if ((err = attach_encap_tmpl(&x->encap, attrs[XFRMA_ENCAP])))
goto error;
if ((err = attach_one_addr(&x->coaddr, xfrma[XFRMA_COADDR])))
if ((err = attach_one_addr(&x->coaddr, attrs[XFRMA_COADDR])))
goto error;
err = xfrm_init_state(x);
if (err)
goto error;
if ((err = attach_sec_ctx(x, xfrma[XFRMA_SEC_CTX])))
if ((err = attach_sec_ctx(x, attrs[XFRMA_SEC_CTX])))
goto error;
x->km.seq = p->seq;
......@@ -373,7 +373,7 @@ static struct xfrm_state *xfrm_state_construct(struct xfrm_usersa_info *p,
/* override default values from above */
xfrm_update_ae_params(x, (struct rtattr **)xfrma);
xfrm_update_ae_params(x, (struct rtattr **)attrs);
return x;
......@@ -386,18 +386,18 @@ error_no_put:
}
static int xfrm_add_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_usersa_info *p = nlmsg_data(nlh);
struct xfrm_state *x;
int err;
struct km_event c;
err = verify_newsa_info(p, xfrma);
err = verify_newsa_info(p, attrs);
if (err)
return err;
x = xfrm_state_construct(p, xfrma, &err);
x = xfrm_state_construct(p, attrs, &err);
if (!x)
return err;
......@@ -427,7 +427,7 @@ out:
}
static struct xfrm_state *xfrm_user_state_lookup(struct xfrm_usersa_id *p,
struct rtattr **xfrma,
struct rtattr **attrs,
int *errp)
{
struct xfrm_state *x = NULL;
......@@ -439,7 +439,7 @@ static struct xfrm_state *xfrm_user_state_lookup(struct xfrm_usersa_id *p,
} else {
xfrm_address_t *saddr = NULL;
verify_one_addr(xfrma, XFRMA_SRCADDR, &saddr);
verify_one_addr(attrs, XFRMA_SRCADDR, &saddr);
if (!saddr) {
err = -EINVAL;
goto out;
......@@ -457,14 +457,14 @@ static struct xfrm_state *xfrm_user_state_lookup(struct xfrm_usersa_id *p,
}
static int xfrm_del_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_state *x;
int err = -ESRCH;
struct km_event c;
struct xfrm_usersa_id *p = nlmsg_data(nlh);
x = xfrm_user_state_lookup(p, xfrma, &err);
x = xfrm_user_state_lookup(p, attrs, &err);
if (x == NULL)
return err;
......@@ -669,7 +669,7 @@ nla_put_failure:
}
static int xfrm_get_spdinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct sk_buff *r_skb;
u32 *flags = nlmsg_data(nlh);
......@@ -722,7 +722,7 @@ nla_put_failure:
}
static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct sk_buff *r_skb;
u32 *flags = nlmsg_data(nlh);
......@@ -740,14 +740,14 @@ static int xfrm_get_sadinfo(struct sk_buff *skb, struct nlmsghdr *nlh,
}
static int xfrm_get_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_usersa_id *p = nlmsg_data(nlh);
struct xfrm_state *x;
struct sk_buff *resp_skb;
int err = -ESRCH;
x = xfrm_user_state_lookup(p, xfrma, &err);
x = xfrm_user_state_lookup(p, attrs, &err);
if (x == NULL)
goto out_noput;
......@@ -786,7 +786,7 @@ static int verify_userspi_info(struct xfrm_userspi_info *p)
}
static int xfrm_alloc_userspi(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_state *x;
struct xfrm_userspi_info *p;
......@@ -915,9 +915,9 @@ static int verify_newpolicy_info(struct xfrm_userpolicy_info *p)
return verify_policy_dir(p->dir);
}
static int copy_from_user_sec_ctx(struct xfrm_policy *pol, struct rtattr **xfrma)
static int copy_from_user_sec_ctx(struct xfrm_policy *pol, struct rtattr **attrs)
{
struct rtattr *rt = xfrma[XFRMA_SEC_CTX];
struct rtattr *rt = attrs[XFRMA_SEC_CTX];
struct xfrm_user_sec_ctx *uctx;
if (!rt)
......@@ -983,9 +983,9 @@ static int validate_tmpl(int nr, struct xfrm_user_tmpl *ut, u16 family)
return 0;
}
static int copy_from_user_tmpl(struct xfrm_policy *pol, struct rtattr **xfrma)
static int copy_from_user_tmpl(struct xfrm_policy *pol, struct rtattr **attrs)
{
struct rtattr *rt = xfrma[XFRMA_TMPL];
struct rtattr *rt = attrs[XFRMA_TMPL];
if (!rt) {
pol->xfrm_nr = 0;
......@@ -1003,9 +1003,9 @@ static int copy_from_user_tmpl(struct xfrm_policy *pol, struct rtattr **xfrma)
return 0;
}
static int copy_from_user_policy_type(u8 *tp, struct rtattr **xfrma)
static int copy_from_user_policy_type(u8 *tp, struct rtattr **attrs)
{
struct rtattr *rt = xfrma[XFRMA_POLICY_TYPE];
struct rtattr *rt = attrs[XFRMA_POLICY_TYPE];
struct xfrm_userpolicy_type *upt;
u8 type = XFRM_POLICY_TYPE_MAIN;
int err;
......@@ -1049,7 +1049,7 @@ static void copy_to_user_policy(struct xfrm_policy *xp, struct xfrm_userpolicy_i
p->share = XFRM_SHARE_ANY; /* XXX xp->share */
}
static struct xfrm_policy *xfrm_policy_construct(struct xfrm_userpolicy_info *p, struct rtattr **xfrma, int *errp)
static struct xfrm_policy *xfrm_policy_construct(struct xfrm_userpolicy_info *p, struct rtattr **attrs, int *errp)
{
struct xfrm_policy *xp = xfrm_policy_alloc(GFP_KERNEL);
int err;
......@@ -1061,12 +1061,12 @@ static struct xfrm_policy *xfrm_policy_construct(struct xfrm_userpolicy_info *p,
copy_from_user_policy(xp, p);
err = copy_from_user_policy_type(&xp->type, xfrma);
err = copy_from_user_policy_type(&xp->type, attrs);
if (err)
goto error;
if (!(err = copy_from_user_tmpl(xp, xfrma)))
err = copy_from_user_sec_ctx(xp, xfrma);
if (!(err = copy_from_user_tmpl(xp, attrs)))
err = copy_from_user_sec_ctx(xp, attrs);
if (err)
goto error;
......@@ -1078,7 +1078,7 @@ static struct xfrm_policy *xfrm_policy_construct(struct xfrm_userpolicy_info *p,
}
static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_userpolicy_info *p = nlmsg_data(nlh);
struct xfrm_policy *xp;
......@@ -1089,11 +1089,11 @@ static int xfrm_add_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
err = verify_newpolicy_info(p);
if (err)
return err;
err = verify_sec_ctx_len(xfrma);
err = verify_sec_ctx_len(attrs);
if (err)
return err;
xp = xfrm_policy_construct(p, xfrma, &err);
xp = xfrm_policy_construct(p, attrs, &err);
if (!xp)
return err;
......@@ -1271,7 +1271,7 @@ static struct sk_buff *xfrm_policy_netlink(struct sk_buff *in_skb,
}
static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_policy *xp;
struct xfrm_userpolicy_id *p;
......@@ -1283,7 +1283,7 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
p = nlmsg_data(nlh);
delete = nlh->nlmsg_type == XFRM_MSG_DELPOLICY;
err = copy_from_user_policy_type(&type, xfrma);
err = copy_from_user_policy_type(&type, attrs);
if (err)
return err;
......@@ -1294,10 +1294,10 @@ static int xfrm_get_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
if (p->index)
xp = xfrm_policy_byid(type, p->dir, p->index, delete, &err);
else {
struct rtattr *rt = xfrma[XFRMA_SEC_CTX];
struct rtattr *rt = attrs[XFRMA_SEC_CTX];
struct xfrm_policy tmp;
err = verify_sec_ctx_len(xfrma);
err = verify_sec_ctx_len(attrs);
if (err)
return err;
......@@ -1345,7 +1345,7 @@ out:
}
static int xfrm_flush_sa(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct km_event c;
struct xfrm_usersa_flush *p = nlmsg_data(nlh);
......@@ -1411,7 +1411,7 @@ nla_put_failure:
}
static int xfrm_get_ae(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_state *x;
struct sk_buff *r_skb;
......@@ -1449,14 +1449,14 @@ static int xfrm_get_ae(struct sk_buff *skb, struct nlmsghdr *nlh,
}
static int xfrm_new_ae(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_state *x;
struct km_event c;
int err = - EINVAL;
struct xfrm_aevent_id *p = nlmsg_data(nlh);
struct rtattr *rp = xfrma[XFRMA_REPLAY_VAL];
struct rtattr *lt = xfrma[XFRMA_LTIME_VAL];
struct rtattr *rp = attrs[XFRMA_REPLAY_VAL];
struct rtattr *lt = attrs[XFRMA_LTIME_VAL];
if (!lt && !rp)
return err;
......@@ -1473,7 +1473,7 @@ static int xfrm_new_ae(struct sk_buff *skb, struct nlmsghdr *nlh,
goto out;
spin_lock_bh(&x->lock);
xfrm_update_ae_params(x, xfrma);
xfrm_update_ae_params(x, attrs);
spin_unlock_bh(&x->lock);
c.event = nlh->nlmsg_type;
......@@ -1488,14 +1488,14 @@ out:
}
static int xfrm_flush_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct km_event c;
u8 type = XFRM_POLICY_TYPE_MAIN;
int err;
struct xfrm_audit audit_info;
err = copy_from_user_policy_type(&type, xfrma);
err = copy_from_user_policy_type(&type, attrs);
if (err)
return err;
......@@ -1513,7 +1513,7 @@ static int xfrm_flush_policy(struct sk_buff *skb, struct nlmsghdr *nlh,
}
static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_policy *xp;
struct xfrm_user_polexpire *up = nlmsg_data(nlh);
......@@ -1521,17 +1521,17 @@ static int xfrm_add_pol_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
u8 type = XFRM_POLICY_TYPE_MAIN;
int err = -ENOENT;
err = copy_from_user_policy_type(&type, xfrma);
err = copy_from_user_policy_type(&type, attrs);
if (err)
return err;
if (p->index)
xp = xfrm_policy_byid(type, p->dir, p->index, 0, &err);
else {
struct rtattr *rt = xfrma[XFRMA_SEC_CTX];
struct rtattr *rt = attrs[XFRMA_SEC_CTX];
struct xfrm_policy tmp;
err = verify_sec_ctx_len(xfrma);
err = verify_sec_ctx_len(attrs);
if (err)
return err;
......@@ -1574,7 +1574,7 @@ out:
}
static int xfrm_add_sa_expire(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_state *x;
int err;
......@@ -1606,12 +1606,12 @@ out:
}
static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_policy *xp;
struct xfrm_user_tmpl *ut;
int i;
struct rtattr *rt = xfrma[XFRMA_TMPL];
struct rtattr *rt = attrs[XFRMA_TMPL];
struct xfrm_user_acquire *ua = nlmsg_data(nlh);
struct xfrm_state *x = xfrm_state_alloc();
......@@ -1628,7 +1628,7 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
}
/* build an XP */
xp = xfrm_policy_construct(&ua->policy, (struct rtattr **) xfrma, &err);
xp = xfrm_policy_construct(&ua->policy, (struct rtattr **) attrs, &err);
if (!xp) {
kfree(x);
return err;
......@@ -1661,9 +1661,9 @@ static int xfrm_add_acquire(struct sk_buff *skb, struct nlmsghdr *nlh,
#ifdef CONFIG_XFRM_MIGRATE
static int copy_from_user_migrate(struct xfrm_migrate *ma,
struct rtattr **xfrma, int *num)
struct rtattr **attrs, int *num)
{
struct rtattr *rt = xfrma[XFRMA_MIGRATE];
struct rtattr *rt = attrs[XFRMA_MIGRATE];
struct xfrm_user_migrate *um;
int i, num_migrate;
......@@ -1692,7 +1692,7 @@ static int copy_from_user_migrate(struct xfrm_migrate *ma,
}
static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
struct xfrm_userpolicy_id *pi = nlmsg_data(nlh);
struct xfrm_migrate m[XFRM_MAX_DEPTH];
......@@ -1700,15 +1700,15 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh,
int err;
int n = 0;
if (xfrma[XFRMA_MIGRATE] == NULL)
if (attrs[XFRMA_MIGRATE] == NULL)
return -EINVAL;
err = copy_from_user_policy_type(&type, (struct rtattr **)xfrma);
err = copy_from_user_policy_type(&type, (struct rtattr **)attrs);
if (err)
return err;
err = copy_from_user_migrate((struct xfrm_migrate *)m,
(struct rtattr **)xfrma, &n);
(struct rtattr **)attrs, &n);
if (err)
return err;
......@@ -1721,7 +1721,7 @@ static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh,
}
#else
static int xfrm_do_migrate(struct sk_buff *skb, struct nlmsghdr *nlh,
struct rtattr **xfrma)
struct rtattr **attrs)
{
return -ENOPROTOOPT;
}
......@@ -1882,7 +1882,7 @@ static struct xfrm_link {
static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
{
struct nlattr *xfrma[XFRMA_MAX+1];
struct nlattr *attrs[XFRMA_MAX+1];
struct xfrm_link *link;
int type, err;
......@@ -1906,7 +1906,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
return netlink_dump_start(xfrm_nl, skb, nlh, link->dump, NULL);
}
err = nlmsg_parse(nlh, xfrm_msg_min[type], xfrma, XFRMA_MAX,
err = nlmsg_parse(nlh, xfrm_msg_min[type], attrs, XFRMA_MAX,
xfrma_policy);
if (err < 0)
return err;
......@@ -1914,7 +1914,7 @@ static int xfrm_user_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh)
if (link->doit == NULL)
return -EINVAL;
return link->doit(skb, nlh, (struct rtattr **) xfrma);
return link->doit(skb, nlh, (struct rtattr **) attrs);
}
static void xfrm_netlink_rcv(struct sock *sk, int len)
......
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