[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: Herbert Xu <herbert@gondor.apana.org.au>

2 files changed, 6 insertions, 8 deletions

diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 94f7416a4ab..e068bd72105 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -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);
 
diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index bd8e6882c08..4d3237d08ff 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -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 @@ nlmsg_failure:
 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;