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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-07-27 00:54:47 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2011-07-27 00:54:47 -0700 |
| commit | aa7eb8e78d8ecd6cd0475d86ea8385ff9cb47ece (patch) | |
| tree | 3f9e98fadd5124fb05e8f6f9b06aa23698d4f215 /net/xfrm/xfrm_replay.c | |
| parent | cca8edfd2ec2a34d9f50f593bc753bb11e1bc1f5 (diff) | |
| parent | 3c6b50141ef9f0a8844bf1357b80c0cdf518bf05 (diff) | |
Merge branch 'next' into for-linus
Diffstat (limited to 'net/xfrm/xfrm_replay.c')
| -rw-r--r-- | net/xfrm/xfrm_replay.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c index f218385950c..b11ea692bd7 100644 --- a/net/xfrm/xfrm_replay.c +++ b/net/xfrm/xfrm_replay.c @@ -265,7 +265,7 @@ static void xfrm_replay_advance_bmp(struct xfrm_state *x, __be32 net_seq) bitnr = bitnr & 0x1F; replay_esn->bmp[nr] |= (1U << bitnr); } else { - nr = replay_esn->replay_window >> 5; + nr = (replay_esn->replay_window - 1) >> 5; for (i = 0; i <= nr; i++) replay_esn->bmp[i] = 0; @@ -471,7 +471,7 @@ static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq) bitnr = bitnr & 0x1F; replay_esn->bmp[nr] |= (1U << bitnr); } else { - nr = replay_esn->replay_window >> 5; + nr = (replay_esn->replay_window - 1) >> 5; for (i = 0; i <= nr; i++) replay_esn->bmp[i] = 0; @@ -532,9 +532,12 @@ int xfrm_init_replay(struct xfrm_state *x) if (replay_esn) { if (replay_esn->replay_window > - replay_esn->bmp_len * sizeof(__u32)) + 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 |