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sys/netinet6/in6.c: Restore FreeBSD version

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This commit is contained in:
Sebastian Huber 2013-10-31 09:53:30 +01:00
parent e238a8b363
commit 4ab42e9fff
1 changed files with 17 additions and 6 deletions
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23
freebsd/sys/netinet6/in6.c
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@ -1372,6 +1372,8 @@ in6_purgeaddr(struct ifaddr *ifa)
}
cleanup:
if (ifa0 != NULL)
ifa_free(ifa0);
plen = in6_mask2len(&ia->ia_prefixmask.sin6_addr, NULL); /* XXX */
if ((ia->ia_flags & IFA_ROUTE) && plen == 128) {
@ -1396,8 +1398,6 @@ cleanup:
return;
ia->ia_flags &= ~IFA_ROUTE;
}
if (ifa0 != NULL)
ifa_free(ifa0);
in6_unlink_ifa(ia, ifp);
}
@ -1551,14 +1551,19 @@ in6_lifaddr_ioctl(struct socket *so, u_long cmd, caddr_t data,
hostid = IFA_IN6(ifa);
/* prefixlen must be <= 64. */
if (64 < iflr->prefixlen)
if (64 < iflr->prefixlen) {
if (ifa != NULL)
ifa_free(ifa);
return EINVAL;
}
prefixlen = iflr->prefixlen;
/* hostid part must be zero. */
sin6 = (struct sockaddr_in6 *)&iflr->addr;
if (sin6->sin6_addr.s6_addr32[2] != 0 ||
sin6->sin6_addr.s6_addr32[3] != 0) {
if (ifa != NULL)
ifa_free(ifa);
return EINVAL;
}
} else
@ -2146,14 +2151,20 @@ in6_ifawithifp(struct ifnet *ifp, struct in6_addr *dst)
IN6_IFADDR_RUNLOCK();
return (struct in6_ifaddr *)ifa;
}
IN6_IFADDR_RUNLOCK();
/* use the last-resort values, that are, deprecated addresses */
if (dep[0])
if (dep[0]) {
ifa_ref((struct ifaddr *)dep[0]);
IN6_IFADDR_RUNLOCK();
return dep[0];
if (dep[1])
}
if (dep[1]) {
ifa_ref((struct ifaddr *)dep[1]);
IN6_IFADDR_RUNLOCK();
return dep[1];
}
IN6_IFADDR_RUNLOCK();
return NULL;
}