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Commit bf08867f authored by Herbert Xu's avatar Herbert Xu Committed by David S. Miller
Browse files

[IPSEC] Turn km_event.data into a union 



This patch turns km_event.data into a union.  This makes code that
uses it clearer.
  
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 4f09f0bb

include/net/xfrm.h

+6 −1
Original line number Diff line number Diff line
@@ -173,7 +173,12 @@ enum { 
/* callback structure passed from either netlink or pfkey */

struct km_event

{

	u32	data;

	union {

		u32 hard;

		u32 proto;

		u32 byid;

	} data;



	u32	seq;

	u32	pid;

	u32	event;

net/key/af_key.c

+5 −12
Original line number Diff line number Diff line
@@ -1293,13 +1293,6 @@ static int key_notify_sa(struct xfrm_state *x, struct km_event *c) 
	if (c->event == XFRM_SAP_DELETED)

		hsc = 0;



	if (c->event == XFRM_SAP_EXPIRED) {

		if (c->data)

			hsc = 2;

		else

			hsc = 1;

	}



	skb = pfkey_xfrm_state2msg(x, 0, hsc);



	if (IS_ERR(skb))
@@ -1534,7 +1527,7 @@ static int key_notify_sa_flush(struct km_event *c) 
	if (!skb)

		return -ENOBUFS;

	hdr = (struct sadb_msg *) skb_put(skb, sizeof(struct sadb_msg));

	hdr->sadb_msg_satype = pfkey_proto2satype(c->data);

	hdr->sadb_msg_satype = pfkey_proto2satype(c->data.proto);

	hdr->sadb_msg_seq = c->seq;

	hdr->sadb_msg_pid = c->pid;

	hdr->sadb_msg_version = PF_KEY_V2;
@@ -1556,7 +1549,7 @@ static int pfkey_flush(struct sock *sk, struct sk_buff *skb, struct sadb_msg *hd 
		return -EINVAL;



	xfrm_state_flush(proto);

	c.data = proto;

	c.data.proto = proto;

	c.seq = hdr->sadb_msg_seq;

	c.pid = hdr->sadb_msg_pid;

	c.event = XFRM_SAP_FLUSHED;
@@ -1969,7 +1962,7 @@ static int key_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *c 
	out_hdr = (struct sadb_msg *) out_skb->data;

	out_hdr->sadb_msg_version = PF_KEY_V2;



	if (c->data && c->event == XFRM_SAP_DELETED)

	if (c->data.byid && c->event == XFRM_SAP_DELETED)

		out_hdr->sadb_msg_type = SADB_X_SPDDELETE2;

	else

		out_hdr->sadb_msg_type = event2poltype(c->event);
@@ -2180,7 +2173,7 @@ static int pfkey_spdget(struct sock *sk, struct sk_buff *skb, struct sadb_msg *h 
	c.seq = hdr->sadb_msg_seq;

	c.pid = hdr->sadb_msg_pid;

	if (hdr->sadb_msg_type == SADB_X_SPDDELETE2) {

		c.data = 1; // to signal pfkey of SADB_X_SPDDELETE2

		c.data.byid = 1;

		c.event = XFRM_SAP_DELETED;

		km_policy_notify(xp, pol->sadb_x_policy_dir-1, &c);

	} else {
@@ -2460,7 +2453,7 @@ static int key_notify_sa_expire(struct xfrm_state *x, struct km_event *c) 
	int hard;

	int hsc;



	hard = c->data;

	hard = c->data.hard;

	if (hard)

		hsc = 2;

	else

net/xfrm/xfrm_state.c

+2 −3
Original line number Diff line number Diff line
@@ -835,7 +835,7 @@ static void km_state_expired(struct xfrm_state *x, int hard) 
{

	struct km_event c;



	c.data = hard;

	c.data.hard = hard;

	c.event = XFRM_SAP_EXPIRED;

	km_state_notify(x, &c);
@@ -883,8 +883,7 @@ void km_policy_expired(struct xfrm_policy *pol, int dir, int hard) 
{

	struct km_event c;



	c.data = hard;

	c.data = hard;

	c.data.hard = hard;

	c.event = XFRM_SAP_EXPIRED;

	km_policy_notify(pol, dir, &c);

net/xfrm/xfrm_user.c

+4 −5
Original line number Diff line number Diff line
@@ -900,7 +900,7 @@ static int xfrm_flush_sa(struct sk_buff *skb, struct nlmsghdr *nlh, void **xfrma 
	struct xfrm_usersa_flush *p = NLMSG_DATA(nlh);



	xfrm_state_flush(p->proto);

	c.data = p->proto;

	c.data.proto = p->proto;

	c.event = XFRM_SAP_FLUSHED;

	c.seq = nlh->nlmsg_seq;

	c.pid = nlh->nlmsg_pid;
@@ -1129,14 +1129,13 @@ static int build_expire(struct sk_buff *skb, struct xfrm_state *x, int hard) 
static int xfrm_exp_state_notify(struct xfrm_state *x, struct km_event *c)

{

	struct sk_buff *skb;

	int hard = c ->data;



	/* fix to do alloc using NLM macros */

	skb = alloc_skb(sizeof(struct xfrm_user_expire) + 16, GFP_ATOMIC);

	if (skb == NULL)

		return -ENOMEM;



	if (build_expire(skb, x, hard) < 0)

	if (build_expire(skb, x, c->data.hard) < 0)

		BUG();



	NETLINK_CB(skb).dst_groups = XFRMGRP_EXPIRE;
@@ -1162,7 +1161,7 @@ static int xfrm_notify_sa_flush(struct km_event *c) 
	nlh->nlmsg_flags = 0;



	p = NLMSG_DATA(nlh);

	p->proto = c->data;

	p->proto = c->data.proto;



	nlh->nlmsg_len = skb->tail - b;
@@ -1404,7 +1403,7 @@ static int xfrm_exp_policy_notify(struct xfrm_policy *xp, int dir, struct km_eve 
	if (skb == NULL)

		return -ENOMEM;



	if (build_polexpire(skb, xp, dir, c->data) < 0)

	if (build_polexpire(skb, xp, dir, c->data.hard) < 0)

		BUG();



	NETLINK_CB(skb).dst_groups = XFRMGRP_EXPIRE;