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resolved: properly handle adding empty replies to cache

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This commit is contained in:
Lennart Poettering 2014-07-30 14:21:18 +02:00
parent 6bf02ccb14
commit 0ec7c46eed
1 changed files with 5 additions and 1 deletions
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6
src/resolve/resolved-dns-cache.c
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@ -352,12 +352,16 @@ int dns_cache_put(DnsCache *c, DnsQuestion *q, int rcode, DnsAnswer *answer, uns
int r;
assert(c);
assert(answer);
assert(q);
/* First, delete all matching old RRs, so that we only keep
* complete by_key in place. */
for (i = 0; i < q->n_keys; i++)
dns_cache_remove(c, q->keys[i]);
if (!answer)
return 0;
for (i = 0; i < answer->n_rrs; i++)
dns_cache_remove(c, answer->rrs[i]->key);