remove redundant check

(cherry picked from commit bce1a016a0fe7c42a479987cbaf8e3e92e3c403b)

diff --git a/modules/lmdbbackend/lmdbbackend.cc b/modules/lmdbbackend/lmdbbackend.cc
index 336cf03988c205d291374dc32b139b755736ac30..de949eddbeb67d16a2e14b4a1d81e7cbe8a9d9a0 100644 (file)
--- a/modules/lmdbbackend/lmdbbackend.cc
+++ b/modules/lmdbbackend/lmdbbackend.cc
@@ -1405,10 +1405,7 @@ bool LMDBBackend::list(const DNSName& target, int /* id */, bool include_disable
   d_matchkey = co(di.id);
 
   MDBOutVal key, val;
-  auto a = d_getcursor->prefix(d_matchkey, key, val);
-  auto b0 = key.getNoStripHeader<StringView>();
-  auto b = b0.rfind(d_matchkey, 0);
-  if (a || b != 0) {
+  if (d_getcursor->prefix(d_matchkey, key, val)) {
     d_getcursor.reset();
   }