xfrm: add NULL check in xfrm_update_ae_params

[linux-2.6-microblaze.git] / net / xfrm / xfrm_user.c

diff --git a/net/xfrm/xfrm_user.c b/net/xfrm/xfrm_user.c
index fdc0c17..8f74dde 100644 (file)
--- a/net/xfrm/xfrm_user.c
+++ b/net/xfrm/xfrm_user.c
@@ -628,7 +628,7 @@ static void xfrm_update_ae_params(struct xfrm_state *x, struct nlattr **attrs,
        struct nlattr *rt = attrs[XFRMA_REPLAY_THRESH];
        struct nlattr *mt = attrs[XFRMA_MTIMER_THRESH];
 
-       if (re) {
+       if (re && x->replay_esn && x->preplay_esn) {
                struct xfrm_replay_state_esn *replay_esn;
                replay_esn = nla_data(re);
                memcpy(x->replay_esn, replay_esn,