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key_sp_unlink: decrement refcnt of the policy only if it was chained.

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otherwise SADB_X_SPDDELETE2 and SADB_X_SPDFLUSH can free per-pcb policies
erroneously.  it's the identical with what kame repository has.

ok'ed by itojun@
This commit is contained in:
yamt 2004-05-10 09:30:23 +00:00
parent 4ff7407fae
commit c9290b239d
1 changed files with 5 additions and 4 deletions
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9
sys/netkey/key.c
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@ -1,4 +1,4 @@
/* $NetBSD: key.c,v 1.118 2004/04/26 04:39:17 itojun Exp $ */
/* $NetBSD: key.c,v 1.119 2004/05/10 09:30:23 yamt Exp $ */
/* $KAME: key.c,v 1.310 2003/09/08 02:23:44 itojun Exp $ */
/*
@ -35,7 +35,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: key.c,v 1.118 2004/04/26 04:39:17 itojun Exp $");
__KERNEL_RCSID(0, "$NetBSD: key.c,v 1.119 2004/05/10 09:30:23 yamt Exp $");
#include "opt_inet.h"
#include "opt_ipsec.h"
@ -7746,9 +7746,10 @@ key_sp_unlink(sp)
{
/* remove from SP index */
if (__LIST_CHAINED(sp))
if (__LIST_CHAINED(sp)) {
LIST_REMOVE(sp, chain);
key_freesp(sp);
key_freesp(sp);
}
}
/* XXX too much? */