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xfrm: Fix replay window size calculation on initialization 

On replay initialization, we compute the size of the replay
buffer to see if the replay window fits into the buffer.
This computation lacks a mutliplication by 8 because we need
the size in bit, not in byte. So we might return an error
even though the replay window would fit into the buffer.
This patch fixes this issue.

Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Steffen Klassert 2011-04-25 19:39:24 +00:00 committed by David S. Miller
parent 0972ddb237
commit 3f602b08de
1 changed files with 1 additions and 1 deletions
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2
net/xfrm/xfrm_replay.c
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@ -532,7 +532,7 @@ 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) && x->replay_esn)