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lib/dns/rdatalist.c: Fix dereference before DbC check

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This commit is contained in:
Ondřej Surý 2019-09-27 11:37:27 +02:00
parent 66af8713d8
commit 5fc7e98d29
1 changed files with 10 additions and 4 deletions
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14
lib/dns/rdatalist.c
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@ -238,14 +238,17 @@ isc_result_t
isc__rdatalist_getnoqname(dns_rdataset_t *rdataset, dns_name_t *name,
dns_rdataset_t *neg, dns_rdataset_t *negsig)
{
dns_rdataclass_t rdclass = rdataset->rdclass;
dns_rdataclass_t rdclass;
dns_rdataset_t *tneg = NULL;
dns_rdataset_t *tnegsig = NULL;
const dns_name_t *noqname = rdataset->private6;
const dns_name_t *noqname;
REQUIRE(rdataset != NULL);
REQUIRE((rdataset->attributes & DNS_RDATASETATTR_NOQNAME) != 0);
rdclass = rdataset->rdclass;
noqname = rdataset->private6;
(void)dns_name_dynamic(noqname); /* Sanity Check. */
for (rdataset = ISC_LIST_HEAD(noqname->list);
@ -329,14 +332,17 @@ isc_result_t
isc__rdatalist_getclosest(dns_rdataset_t *rdataset, dns_name_t *name,
dns_rdataset_t *neg, dns_rdataset_t *negsig)
{
dns_rdataclass_t rdclass = rdataset->rdclass;
dns_rdataclass_t rdclass;
dns_rdataset_t *tneg = NULL;
dns_rdataset_t *tnegsig = NULL;
const dns_name_t *closest = rdataset->private7;
const dns_name_t *closest;
REQUIRE(rdataset != NULL);
REQUIRE((rdataset->attributes & DNS_RDATASETATTR_CLOSEST) != 0);
rdclass = rdataset->rdclass;
closest = rdataset->private7;
(void)dns_name_dynamic(closest); /* Sanity Check. */
for (rdataset = ISC_LIST_HEAD(closest->list);