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MFC r280236:

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To avoid a possible race, release the reference to ifa after return
  from nd6_dad_na_input().
This commit is contained in:
ae 2015-03-26 18:44:59 +00:00
parent ad6d8839ca
commit 159c9364d9
1 changed files with 1 additions and 1 deletions
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2
sys/netinet6/nd6_nbr.c
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@ -700,8 +700,8 @@ nd6_na_input(struct mbuf *m, int off, int icmp6len)
*/ */
if (ifa if (ifa
&& (((struct in6_ifaddr *)ifa)->ia6_flags & IN6_IFF_TENTATIVE)) { && (((struct in6_ifaddr *)ifa)->ia6_flags & IN6_IFF_TENTATIVE)) {
ifa_free(ifa);
nd6_dad_na_input(ifa); nd6_dad_na_input(ifa);
ifa_free(ifa);
goto freeit; goto freeit;
} }