fix handling of service config choosing when percentage is zero

7 years ago · dd2c3cf23a
parent cc86cb7560
commit dd2c3cf23a
1 changed files with 1 additions and 1 deletions
--- a/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.c
+++ b/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.c
@ -204,7 +204,7 @@ static char *choose_service_config(char *service_config_choice_json) {
        int random_pct = rand() % 100;
        int percentage;
        if (sscanf(field->value, "%d", &percentage) != 1 ||
-            random_pct > percentage) {
+            random_pct > percentage || percentage == 0) {
          service_config_json = NULL;
          break;
        }