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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-08-20 15:53:03 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2018-09-21 10:29:39 +0200 |
commit | 18fa92c2dcc6c52e0bf27d214d80f0c25a89b47d (patch) | |
tree | a3020ac5b1f366f2f0920941b589808e435dbcee /freebsd/sys/netinet6/in6_ifattach.c | |
parent | Update to FreeBSD head 2017-12-01 (diff) | |
download | rtems-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.c | 33 |
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); } |