Merge branch 'for-3.9-cleanups' of git://git.kernel.org/pub/scm/linux/kernel/git...

[firefly-linux-kernel-4.4.55.git] / net / xfrm / xfrm_replay.c

diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 765f6fe951ebc7ed8fabaed3a4dc6ea4299aebfa..35754cc8a9e5b9c51cdaf52693128ee2098718f7 100644 (file)
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -242,11 +242,13 @@ static void xfrm_replay_advance_bmp(struct xfrm_state *x, __be32 net_seq)
        u32 diff;
        struct xfrm_replay_state_esn *replay_esn = x->replay_esn;
        u32 seq = ntohl(net_seq);
-       u32 pos = (replay_esn->seq - 1) % replay_esn->replay_window;
+       u32 pos;
 
        if (!replay_esn->replay_window)
                return;
 
+       pos = (replay_esn->seq - 1) % replay_esn->replay_window;
+
        if (seq > replay_esn->seq) {
                diff = seq - replay_esn->seq;