[XFRM]: Sub-policies broke policy events

XFRM policy events are broken when sub-policy feature is turned on.
A simple test to verify this:
run ip xfrm mon on one window and add then delete a policy on another
window ..

Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca>
Acked-by: Masahide NAKAMURA <nakam@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 3 insertions, 0 deletions

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index b43e7647e125..2dae1c1ea362 100644
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -2060,6 +2060,9 @@ static int xfrm_notify_policy(struct xfrm_policy *xp, int dir, struct km_event *
                 len += RTA_SPACE(headlen);
                 headlen = sizeof(*id);
         }
+#ifdef CONFIG_XFRM_SUB_POLICY
+        len += RTA_SPACE(sizeof(struct xfrm_userpolicy_type));
+#endif
         len += NLMSG_SPACE(headlen);
 
         skb = alloc_skb(len, GFP_ATOMIC);