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authorqingli <qingli@FreeBSD.org>2008-12-22 07:11:15 +0000
committerqingli <qingli@FreeBSD.org>2008-12-22 07:11:15 +0000
commit8f88fc89cbc9435c5588b14d879e730df10dc156 (patch)
treea46d769e389bc356f911f137ebde381100c96c5b /sys/netinet6/in6.c
parente3cd29b301e6fca9d070995095d27115813dd149 (diff)
downloadFreeBSD-src-8f88fc89cbc9435c5588b14d879e730df10dc156.zip
FreeBSD-src-8f88fc89cbc9435c5588b14d879e730df10dc156.tar.gz
Similar to the INET case, do not destroy the nd6 entries for
interface addresses until those addresses are removed. I already made the patch in INET but forgot to bring the code over for INET6.
Diffstat (limited to 'sys/netinet6/in6.c')
-rw-r--r--sys/netinet6/in6.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/sys/netinet6/in6.c b/sys/netinet6/in6.c
index 6ba852c..ee06199 100644
--- a/sys/netinet6/in6.c
+++ b/sys/netinet6/in6.c
@@ -2204,12 +2204,14 @@ in6_lltable_lookup(struct lltable *llt, u_int flags,
lle->lle_head = lleh;
LIST_INSERT_HEAD(lleh, lle, lle_next);
} else if (flags & LLE_DELETE) {
- LLE_WLOCK(lle);
- lle->la_flags = LLE_DELETED;
- LLE_WUNLOCK(lle);
+ if (!(lle->la_flags & LLE_IFADDR) || (flags & LLE_IFADDR)) {
+ LLE_WLOCK(lle);
+ lle->la_flags = LLE_DELETED;
+ LLE_WUNLOCK(lle);
#ifdef DIAGNOSTICS
- log(LOG_INFO, "ifaddr cache = %p is deleted\n", lle);
+ log(LOG_INFO, "ifaddr cache = %p is deleted\n", lle);
#endif
+ }
lle = (void *)-1;
}
if (LLE_IS_VALID(lle)) {
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