Commit eb8a2737 authored by Michał Kępień's avatar Michał Kępień Committed by Ondřej Surý
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Ensure ns_query_cancel() handles all recursions

Previously, multiple code paths reused client->query.fetch, so it was
enough for ns_query_cancel() to issue a single call to
dns_resolver_cancelfetch() with that fetch as an argument.  Now, since
each slot in the 'recursions' array can hold a reference to a separate
resolver fetch, ns_query_cancel() needs to handle all of them, so that
all recursion callbacks get a chance to clean up the associated
resources when a query is canceled.
parent 1a635b54
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