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Remove the reference held on the loopback route when the interface

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address is being deleted. Only the last reference holder deletes the
loopback route. All other delete operations just clear the IFA_RTSELF
flag.

PR:		kern/159601
Submitted by:	pluknet
Reviewed by:	discussed on net@
MFC after:	3 days
This commit is contained in:
qingli 2011-10-07 18:01:34 +00:00
parent f1deb54a54
commit d0874dfb45
1 changed files with 3 additions and 1 deletions
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4
sys/netinet/in.c
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@ -1126,8 +1126,10 @@ in_scrubprefix(struct in_ifaddr *target, u_int flags)
RT_LOCK(ia_ro.ro_rt);
if (ia_ro.ro_rt->rt_refcnt <= 1)
freeit = 1;
else
else if (flags & LLE_STATIC) {
RT_REMREF(ia_ro.ro_rt);
target->ia_flags &= ~IFA_RTSELF;
}
RTFREE_LOCKED(ia_ro.ro_rt);
}
if (freeit && (flags & LLE_STATIC)) {