Date: Mon, 10 Oct 2011 21:41:34 +0000 (UTC) From: Qing Li <qingli@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r226237 - stable/8/sys/netinet Message-ID: <201110102141.p9ALfY8Y083850@svn.freebsd.org>
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Author: qingli Date: Mon Oct 10 21:41:34 2011 New Revision: 226237 URL: http://svn.freebsd.org/changeset/base/226237 Log: MFC 226114 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@ Modified: stable/8/sys/netinet/in.c Directory Properties: stable/8/sys/ (props changed) stable/8/sys/amd64/include/xen/ (props changed) stable/8/sys/cddl/contrib/opensolaris/ (props changed) stable/8/sys/contrib/dev/acpica/ (props changed) stable/8/sys/contrib/pf/ (props changed) Modified: stable/8/sys/netinet/in.c ============================================================================== --- stable/8/sys/netinet/in.c Mon Oct 10 21:38:19 2011 (r226236) +++ stable/8/sys/netinet/in.c Mon Oct 10 21:41:34 2011 (r226237) @@ -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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