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[IPSEC]: Move state lock into x->type->input

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This patch releases the lock on the state before calling
x->type->input.  It also adds the lock to the spots where they're
currently needed.

Most of those places (all except mip6) are expected to disappear with
async crypto.

Signed-off-by: Herbert Xu <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Herbert Xu 2007-11-13 21:45:58 -08:00 • committed by David S. Miller
commit 0ebea8ef35
6 changed files with 69 additions and 33 deletions
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4
net/xfrm/xfrm_input.c
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@ -146,7 +146,11 @@ int xfrm_input(struct sk_buff *skb, int nexthdr, __be32 spi, int encap_type)
if (xfrm_state_check_expire(x))
goto drop_unlock;
spin_unlock(&x->lock);
nexthdr = x->type->input(x, skb);
spin_lock(&x->lock);
if (nexthdr <= 0) {
if (nexthdr == -EBADMSG)
x->stats.integrity_failed++;