diff options
| -rw-r--r-- | sys/kern/kern_synch.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sys/kern/kern_synch.c b/sys/kern/kern_synch.c index 0261a0309ce..874399d7024 100644 --- a/sys/kern/kern_synch.c +++ b/sys/kern/kern_synch.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kern_synch.c,v 1.126 2015/11/23 10:56:20 mpi Exp $ */ +/* $OpenBSD: kern_synch.c,v 1.127 2016/01/15 11:42:47 dlg Exp $ */ /* $NetBSD: kern_synch.c,v 1.37 1996/04/22 01:38:37 christos Exp $ */ /* @@ -613,7 +613,12 @@ refcnt_take(struct refcnt *r) int refcnt_rele(struct refcnt *r) { - return (atomic_dec_int_nv(&r->refs) == 0); + u_int refcnt; + + refcnt = atomic_dec_int_nv(&r->refs); + KASSERT(refcnt != ~0); + + return (refcnt == 0); } void |