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path: root/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.c
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Diffstat (limited to 'src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.c')
-rw-r--r--src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.c2
1 files changed, 1 insertions, 1 deletions
diff --git 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
index b87a3b7082..371c59b8cf 100644
--- 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;
}