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resolved: add minor optimization path to dns_answer_merge()

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This commit is contained in:
Lennart Poettering 2020-11-04 20:42:02 +01:00
parent 02c205359b
commit 032b398224
1 changed files with 5 additions and 0 deletions
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5
src/resolve/resolved-dns-answer.c
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@ -321,6 +321,11 @@ int dns_answer_merge(DnsAnswer *a, DnsAnswer *b, DnsAnswer **ret) {
assert(ret);
if (a == b) {
*ret = dns_answer_ref(a);
return 0;
}
if (dns_answer_size(a) <= 0) {
*ret = dns_answer_ref(b);
return 0;