From 21f175b1acc8e8766060e71e84a0c1913fc38c23 Mon Sep 17 00:00:00 2001 From: Ubuntu Date: Wed, 29 Jul 2020 15:27:15 +0000 Subject: [PATCH] Adjust semantics of TTL adjustment after feedback from @wcawijngaards --- cachedb/cachedb.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/cachedb/cachedb.c b/cachedb/cachedb.c index 6a2b735aa..e948a6b0d 100644 --- a/cachedb/cachedb.c +++ b/cachedb/cachedb.c @@ -465,7 +465,7 @@ packed_rrset_ttl_subtract(struct packed_rrset_data* data, time_t subtract) data->rr_ttl[i] -= subtract; else data->rr_ttl[i] = 0; } - data->ttl_add = 0; + data->ttl_add = (subtract < data->ttl_add) ? (data->ttl_add - subtract) : 0; } /* Adjust the TTL of a DNS message and its RRs by 'adjust'. If 'adjust' is