From: Štěpán Balážik <stepan.balazik@nic.cz>
Date: Fri, 4 Sep 2020 15:36:40 +0000 (+0200)
Subject: fixup! selection: don't include servers over error limit in selection
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=babd31d23e3c40286ea6f477a9cb5e8bd5d0d4c2;p=thirdparty%2Fknot-resolver.git

fixup! selection: don't include servers over error limit in selection
---

diff --git a/lib/selection.c b/lib/selection.c
index 99f1591dc..0ff189b0d 100644
--- a/lib/selection.c
+++ b/lib/selection.c
@@ -187,6 +187,10 @@ struct kr_transport *choose_transport(struct choice choices[],
 											 struct knot_mm *mempool,
 											 bool tcp,
 											 size_t *out_forward_index) {
+	if (!choices_len && !unresolved_len) {
+		// There is nothing to choose from :(
+		return NULL;
+	}
 
 	struct kr_transport *transport = mm_alloc(mempool, sizeof(struct kr_transport));
 	memset(transport, 0, sizeof(struct kr_transport));