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prevent TSAN being trigged when DNS_RBTFIND_EMPTYDATA is set

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Mark Andrews 2019-08-02 07:58:36 +10:00 committed by Ondřej Surý
parent 9b5969eab0
commit 7f30540727
1 changed files with 6 additions and 4 deletions
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10
lib/dns/rbt.c
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@ -1652,9 +1652,11 @@ dns_rbt_findnode(dns_rbt_t *rbt, const dns_name_t *name, dns_name_t *foundname,
/* /*
* This might be the closest enclosing name. * This might be the closest enclosing name.
*/ */
if (DATA(current) != NULL || if ((options & DNS_RBTFIND_EMPTYDATA) != 0 ||
(options & DNS_RBTFIND_EMPTYDATA) != 0) DATA(current) != NULL)
{
*node = current; *node = current;
}
/* /*
* Point the chain to the next level. This * Point the chain to the next level. This
@ -1725,8 +1727,8 @@ dns_rbt_findnode(dns_rbt_t *rbt, const dns_name_t *name, dns_name_t *foundname,
* ISC_R_SUCCESS to indicate an exact match. * ISC_R_SUCCESS to indicate an exact match.
*/ */
if (current != NULL && (options & DNS_RBTFIND_NOEXACT) == 0 && if (current != NULL && (options & DNS_RBTFIND_NOEXACT) == 0 &&
(DATA(current) != NULL || ((options & DNS_RBTFIND_EMPTYDATA) != 0 || DATA(current) != NULL))
(options & DNS_RBTFIND_EMPTYDATA) != 0)) { {
/* /*
* Found an exact match. * Found an exact match.
*/ */