diff options
| author | Hajimu UMEMOTO <ume@FreeBSD.org> | 2001-01-02 15:17:19 +0000 |
|---|---|---|
| committer | Hajimu UMEMOTO <ume@FreeBSD.org> | 2001-01-02 15:17:19 +0000 |
| commit | 41027e03dda7565147856dfacba31a6f95eed129 (patch) | |
| tree | 51fff91caa50380eeb09e6b07385346840fe65ae /sys/netinet6 | |
| parent | 7d9e9f88844847e0d36f401b83a71ea2e72f319a (diff) | |
do not touch ra_addr if it is NULL. from IIJ SEIL team
Obtained from: KAME
Notes
svn path=/head/; revision=70601
Diffstat (limited to 'sys/netinet6')
| -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 b75a72fed1d1..1eaea506bf98 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; |