properly handle NULL backends, they are neither cluster nor real

105904e4 · Nils Goroll · 47577a6f · 105904e4
Commit 105904e4 authored Mar 19, 2019 by Nils Goroll
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vmod_cluster.c src/vmod_cluster.c +3 -0

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--- a/src/vmod_cluster.c
+++ b/src/vmod_cluster.c
@@ -458,6 +458,9 @@ cluster_resolve(VRT_CTX,
 	AN(pr->cluster);
 	r = VRT_DirectorResolve(ctx, pr->cluster);

+	if (r == NULL)
+		return (NULL);
+
 	if (cluster_blacklisted(pr, r))
 		return (real_resolve(ctx, pr->real, resolve));