diff options
| author | kmacy <kmacy@FreeBSD.org> | 2008-12-24 01:08:18 +0000 |
|---|---|---|
| committer | kmacy <kmacy@FreeBSD.org> | 2008-12-24 01:08:18 +0000 |
| commit | 7c3c2fbe0c913f539c862fcb7beaf9f1d78b6489 (patch) | |
| tree | fa5b587a81b233537fda190401159e243450577d /sys | |
| parent | 110365dd9ef7c4b89e7d3dc7aaa7ac66c1347593 (diff) | |
| download | FreeBSD-src-7c3c2fbe0c913f539c862fcb7beaf9f1d78b6489.zip FreeBSD-src-7c3c2fbe0c913f539c862fcb7beaf9f1d78b6489.tar.gz | |
avoid lock recursion by deferring the link check until after LLE lock is dropped
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/netinet6/nd6_nbr.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/netinet6/nd6_nbr.c b/sys/netinet6/nd6_nbr.c index c1cb423..84e415a 100644 --- a/sys/netinet6/nd6_nbr.c +++ b/sys/netinet6/nd6_nbr.c @@ -603,6 +603,7 @@ nd6_na_input(struct mbuf *m, int off, int icmp6len) int is_override; char *lladdr = NULL; int lladdrlen = 0; + int checklink = 0; struct ifaddr *ifa; struct llentry *ln = NULL; union nd_opts ndopts; @@ -739,7 +740,7 @@ nd6_na_input(struct mbuf *m, int off, int icmp6len) * non-reachable to probably reachable, and might * affect the status of associated prefixes.. */ - pfxlist_onlink_check(); + checklink = 1; } } else { int llchange; @@ -886,6 +887,9 @@ nd6_na_input(struct mbuf *m, int off, int icmp6len) if (chain) nd6_output_flush(ifp, ifp, chain, &sin6, NULL); } + if (checklink) + pfxlist_onlink_check(); + m_freem(m); return; |
