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authorqingli <qingli@FreeBSD.org>2009-05-14 05:27:09 +0000
committerqingli <qingli@FreeBSD.org>2009-05-14 05:27:09 +0000
commitbe1f376f27aa45a3a03ffc5655360bdadd656b1f (patch)
tree12aa0ac62cab45fe513c489361b30d27a49926e9 /sys/netinet
parenta035677fd12f8416e343c259a575120d441cb0c1 (diff)
downloadFreeBSD-src-be1f376f27aa45a3a03ffc5655360bdadd656b1f.zip
FreeBSD-src-be1f376f27aa45a3a03ffc5655360bdadd656b1f.tar.gz
Ignore the INADDR_ANY address inserted/deleted by DHCP when installing a loopback route
to the interface address.
Diffstat (limited to 'sys/netinet')
-rw-r--r--sys/netinet/in.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/netinet/in.c b/sys/netinet/in.c
index 84750a6..5bc7827 100644
--- a/sys/netinet/in.c
+++ b/sys/netinet/in.c
@@ -906,6 +906,9 @@ in_ifinit(struct ifnet *ifp, struct in_ifaddr *ia, struct sockaddr_in *sin,
if ((error = in_addprefix(ia, flags)) != 0)
return (error);
+ if (ia->ia_addr.sin_addr.s_addr == INADDR_ANY)
+ return (0);
+
/*
* add a loopback route to self
*/
@@ -1014,7 +1017,8 @@ in_scrubprefix(struct in_ifaddr *target)
if ((target->ia_flags & IFA_ROUTE) == 0)
return (0);
- if (!(target->ia_ifp->if_flags & (IFF_LOOPBACK | IFF_POINTOPOINT))) {
+ if ((target->ia_addr.sin_addr.s_addr != INADDR_ANY) &&
+ !(target->ia_ifp->if_flags & (IFF_LOOPBACK | IFF_POINTOPOINT))) {
bzero(&null_sdl, sizeof(null_sdl));
null_sdl.sdl_len = sizeof(null_sdl);
null_sdl.sdl_family = AF_LINK;
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