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Silence a scan-build warning in dns_rbt_addname()

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Clang Static Analyzer is unable to grasp that when dns_rbt_addnode()
returns ISC_R_EXISTS, it always sets the pointer passed to it via its
'nodep' parameter to a non-NULL value.  Add an extra safety check in the
conditional expression used in dns_rbt_addname() to silence that
warning.
This commit is contained in:
Michał Kępień 2023-12-22 19:27:37 +01:00
parent 1f78f3a586
commit 9cf1f39b54
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1 changed files with 1 additions and 1 deletions
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lib/dns/rbt.c
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@ -733,7 +733,7 @@ dns_rbt_addname(dns_rbt_t *rbt, const dns_name_t *name, void *data) {
* there is data associated with a node.
*/
if (result == ISC_R_SUCCESS ||
(result == ISC_R_EXISTS && node->data == NULL))
(result == ISC_R_EXISTS && node != NULL && node->data == NULL))
{
node->data = data;
result = ISC_R_SUCCESS;