summaryrefslogtreecommitdiffstats
path: root/freebsd/sys/netinet6/in6_ifattach.c
diff options
context:
space:
mode:
authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-08-20 15:53:03 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-09-21 10:29:39 +0200
commit18fa92c2dcc6c52e0bf27d214d80f0c25a89b47d (patch)
treea3020ac5b1f366f2f0920941b589808e435dbcee /freebsd/sys/netinet6/in6_ifattach.c
parentUpdate to FreeBSD head 2017-12-01 (diff)
downloadrtems-libbsd-18fa92c2dcc6c52e0bf27d214d80f0c25a89b47d.tar.bz2
Update to FreeBSD head 2018-02-01
Git mirror commit d079ae0442af8fa3cfd6d7ede190d04e64a2c0d4. Update #3472.
Diffstat (limited to 'freebsd/sys/netinet6/in6_ifattach.c')
-rw-r--r--freebsd/sys/netinet6/in6_ifattach.c33
1 files changed, 11 insertions, 22 deletions
diff --git a/freebsd/sys/netinet6/in6_ifattach.c b/freebsd/sys/netinet6/in6_ifattach.c
index d89581e4..26a682ad 100644
--- a/freebsd/sys/netinet6/in6_ifattach.c
+++ b/freebsd/sys/netinet6/in6_ifattach.c
@@ -700,7 +700,6 @@ void
in6_ifattach(struct ifnet *ifp, struct ifnet *altifp)
{
struct in6_ifaddr *ia;
- struct in6_addr in6;
if (ifp->if_afdata[AF_INET6] == NULL)
return;
@@ -733,18 +732,16 @@ in6_ifattach(struct ifnet *ifp, struct ifnet *altifp)
/*
* assign loopback address for loopback interface.
- * XXX multiple loopback interface case.
*/
if ((ifp->if_flags & IFF_LOOPBACK) != 0) {
- struct ifaddr *ifa;
-
- in6 = in6addr_loopback;
- ifa = (struct ifaddr *)in6ifa_ifpwithaddr(ifp, &in6);
- if (ifa == NULL) {
- if (in6_ifattach_loopback(ifp) != 0)
- return;
- } else
- ifa_free(ifa);
+ /*
+ * check that loopback address doesn't exist yet.
+ */
+ ia = in6ifa_ifwithaddr(&in6addr_loopback, 0);
+ if (ia == NULL)
+ in6_ifattach_loopback(ifp);
+ else
+ ifa_free(&ia->ia_ifa);
}
/*
@@ -752,18 +749,10 @@ in6_ifattach(struct ifnet *ifp, struct ifnet *altifp)
*/
if (!(ND_IFINFO(ifp)->flags & ND6_IFF_IFDISABLED) &&
ND_IFINFO(ifp)->flags & ND6_IFF_AUTO_LINKLOCAL) {
- int error;
-
ia = in6ifa_ifpforlinklocal(ifp, 0);
- if (ia == NULL) {
- error = in6_ifattach_linklocal(ifp, altifp);
-#if 0
- if (error)
- log(LOG_NOTICE, "in6_ifattach_linklocal: "
- "failed to add a link-local addr to %s\n",
- if_name(ifp));
-#endif
- } else
+ if (ia == NULL)
+ in6_ifattach_linklocal(ifp, altifp);
+ else
ifa_free(&ia->ia_ifa);
}