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| author | Lennart Poettering <lennart@poettering.net> | 2021-05-19 16:35:16 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-05-19 16:35:16 +0200 |
| commit | 871a3a33bbb3458c97e47fc828243082014fc583 (patch) | |
| tree | bc7bac23563dde92937963fe23e0be8bf07fc819 /src/resolve/resolved-dns-query.c | |
| parent | 6db7b533c6dd79387376953aa9ee749552a99b3d (diff) | |
| parent | 6f1d18ae9319bad3d13b90caa6dc0b34ea0a1b10 (diff) | |
| download | systemd-871a3a33bbb3458c97e47fc828243082014fc583.tar.gz | |
Merge pull request #19608 from keszybz/resolved-pahole
Pahole optimization for resolved's DnsQuery
Diffstat (limited to 'src/resolve/resolved-dns-query.c')
| -rw-r--r-- | src/resolve/resolved-dns-query.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/resolve/resolved-dns-query.c b/src/resolve/resolved-dns-query.c index 2a806e48d3..2a048f1070 100644 --- a/src/resolve/resolved-dns-query.c +++ b/src/resolve/resolved-dns-query.c @@ -12,6 +12,10 @@ #define QUERIES_MAX 2048 #define AUXILIARY_QUERIES_MAX 64 +#define CNAME_REDIRECTS_MAX 16 + +assert_cc(AUXILIARY_QUERIES_MAX < UINT8_MAX); +assert_cc(CNAME_REDIRECTS_MAX < UINT8_MAX); static int dns_query_candidate_new(DnsQueryCandidate **ret, DnsQuery *q, DnsScope *s) { DnsQueryCandidate *c; @@ -1004,9 +1008,9 @@ static int dns_query_cname_redirect(DnsQuery *q, const DnsResourceRecord *cname) assert(q); - q->n_cname_redirects++; - if (q->n_cname_redirects > CNAME_REDIRECT_MAX) + if (q->n_cname_redirects >= CNAME_REDIRECTS_MAX) return -ELOOP; + q->n_cname_redirects++; r = dns_question_cname_redirect(q->question_idna, cname, &nq_idna); if (r < 0) |