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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 08:47:44 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2013-05-01 08:47:44 -0700
commitbf61c8840efe60fd8f91446860b63338fb424158 (patch)
tree7a71832407a4f0d6346db773343f4c3ae2257b19 /net/xfrm/xfrm_replay.c
parent5846115b30f3a881e542c8bfde59a699c1c13740 (diff)
parent0c6a61657da78098472fd0eb71cc01f2387fa1bb (diff)
Merge branch 'next' into for-linus
Prepare first set of updates for 3.10 merge window.
Diffstat (limited to 'net/xfrm/xfrm_replay.c')
-rw-r--r--net/xfrm/xfrm_replay.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 3efb07d3eb27..35754cc8a9e5 100644
--- 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;
@@ -521,13 +523,12 @@ int xfrm_init_replay(struct xfrm_state *x)
replay_esn->bmp_len * sizeof(__u32) * 8)
return -EINVAL;
- if ((x->props.flags & XFRM_STATE_ESN) && replay_esn->replay_window == 0)
- return -EINVAL;
-
- if ((x->props.flags & XFRM_STATE_ESN) && x->replay_esn)
- x->repl = &xfrm_replay_esn;
- else
- x->repl = &xfrm_replay_bmp;
+ if (x->props.flags & XFRM_STATE_ESN) {
+ if (replay_esn->replay_window == 0)
+ return -EINVAL;
+ x->repl = &xfrm_replay_esn;
+ } else
+ x->repl = &xfrm_replay_bmp;
} else
x->repl = &xfrm_replay_legacy;