diff options
| author | ume <ume@FreeBSD.org> | 2001-01-02 15:17:19 +0000 |
|---|---|---|
| committer | ume <ume@FreeBSD.org> | 2001-01-02 15:17:19 +0000 |
| commit | 3e7ec8ed402fca35161589100b7de09f23bd21ce (patch) | |
| tree | bee0aa6c5680a4a91972accf4ff6eb5230dc8afd /sys | |
| parent | a11ea16dad4881b8316db0c862fdf7762259dd86 (diff) | |
| download | FreeBSD-src-3e7ec8ed402fca35161589100b7de09f23bd21ce.zip FreeBSD-src-3e7ec8ed402fca35161589100b7de09f23bd21ce.tar.gz | |
do not touch ra_addr if it is NULL. from IIJ SEIL team
Obtained from: KAME
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/netinet6/in6_prefix.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/netinet6/in6_prefix.c b/sys/netinet6/in6_prefix.c index b75a72f..1eaea50 100644 --- a/sys/netinet6/in6_prefix.c +++ b/sys/netinet6/in6_prefix.c @@ -603,14 +603,16 @@ add_each_addr(struct socket *so, struct rr_prefix *rpp, struct rp_addr *rap) if (ia6 != NULL) { if (ia6->ia6_ifpr == NULL) { /* link this addr and the prefix each other */ - IFAFREE(&rap->ra_addr->ia_ifa); + if (rap->ra_addr) + IFAFREE(&rap->ra_addr->ia_ifa); rap->ra_addr = ia6; rap->ra_addr->ia_ifa.ifa_refcnt++; ia6->ia6_ifpr = rp2ifpr(rpp); return; } if (ia6->ia6_ifpr == rp2ifpr(rpp)) { - IFAFREE(&rap->ra_addr->ia_ifa); + if (rap->ra_addr) + IFAFREE(&rap->ra_addr->ia_ifa); rap->ra_addr = ia6; rap->ra_addr->ia_ifa.ifa_refcnt++; return; |
