Author: qingli
Date: Fri Oct 7 18:01:34 2011
New Revision: 226114
URL: http://svn.freebsd.org/changeset/base/226114
Log:
Remove the reference held on the loopback route when the interface
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
Modified:
head/sys/netinet/in.c
Modified: head/sys/netinet/in.c
==============================================================================
--- head/sys/netinet/in.c Fri Oct 7 16:39:03 2011 (r226113)
+++ head/sys/netinet/in.c Fri Oct 7 18:01:34 2011 (r226114)
@@ -1126,8 +1126,10 @@ in_scrubprefix(struct in_ifaddr *target,
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)) {
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