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| author | qingli <qingli@FreeBSD.org> | 2009-10-02 01:34:55 +0000 |
|---|---|---|
| committer | qingli <qingli@FreeBSD.org> | 2009-10-02 01:34:55 +0000 |
| commit | 81ff2327e3bf0610ae49d4c4699530ebfed23529 (patch) | |
| tree | 8c78c40f783fb728954f1bb83b7e54f32406354e /sys/netinet | |
| parent | 46de945b601f1859257a366aa6caee9b16da01dc (diff) | |
| download | FreeBSD-src-81ff2327e3bf0610ae49d4c4699530ebfed23529.zip FreeBSD-src-81ff2327e3bf0610ae49d4c4699530ebfed23529.tar.gz | |
Previously, if an address alias is configured on an interface, and
this address alias has a prefix matching that of another address
configured on the same interface, then the ARP entry for the alias
is not deleted from the ARP table when that address alias is removed.
This patch fixes the aforementioned issue.
PR: kern/139113
MFC after: 3 days
Diffstat (limited to 'sys/netinet')
| -rw-r--r-- | sys/netinet/in.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/netinet/in.c b/sys/netinet/in.c index 11e098e..5b20d5b 100644 --- a/sys/netinet/in.c +++ b/sys/netinet/in.c @@ -1060,6 +1060,8 @@ in_scrubprefix(struct in_ifaddr *target) !(target->ia_ifp->if_flags & IFF_LOOPBACK)) { error = ifa_del_loopback_route((struct ifaddr *)target, (struct sockaddr *)&target->ia_addr); + /* remove arp cache */ + arp_ifscrub(target->ia_ifp, IA_SIN(target)->sin_addr.s_addr); } if ((target->ia_flags & IFA_ROUTE) == 0) { @@ -1082,8 +1084,6 @@ in_scrubprefix(struct in_ifaddr *target) prefix = target->ia_addr.sin_addr; mask = target->ia_sockmask.sin_addr; prefix.s_addr &= mask.s_addr; - /* remove arp cache */ - arp_ifscrub(target->ia_ifp, IA_SIN(target)->sin_addr.s_addr); } IN_IFADDR_RLOCK(); |
