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[XFRM]: Fix leak of expired xfrm_states 

The xfrm_timer calls __xfrm_state_delete, which drops the final reference
manually without triggering destruction of the state. Change it to use
xfrm_state_put to add the state to the gc list when we're dropping the
last reference. The timer function may still continue to use the state
safely since the final destruction does a del_timer_sync().

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Patrick McHardy 2007-11-27 11:10:07 +08:00 committed by Herbert Xu
parent 8a8037ac9d
commit 5dba479711
1 changed files with 1 additions and 1 deletions
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2
net/xfrm/xfrm_state.c
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@ -552,7 +552,7 @@ int __xfrm_state_delete(struct xfrm_state *x)
* The xfrm_state_alloc call gives a reference, and that
* is what we are dropping here.
*/
__xfrm_state_put(x);
xfrm_state_put(x);
err = 0;
}