XFRM: Fix leak of expired xfrm_states
commite01dcced45f895797dfba326bdb10d8d85e13eee
authorPatrick McHardy <kaber@trash.net>
Thu, 29 Nov 2007 12:07:57 +0000 (29 23:07 +1100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 14 Dec 2007 18:32:00 +0000 (14 10:32 -0800)
treea51ae6d179ff567f69247a34b22dddb9478f3b04
parentfc79ad5a2c4360a2ecc028a44cdffaa1634d7a14
XFRM: Fix leak of expired xfrm_states

[XFRM]: Fix leak of expired xfrm_states

[ Upstream commit: 5dba4797115c8fa05c1a4d12927a6ae0b33ffc41 ]

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
net/xfrm/xfrm_state.c