Check in both commitTransaction and abortTransaction whether a transaction is actuall...

diff --git a/modules/lmdbbackend/lmdbbackend.cc b/modules/lmdbbackend/lmdbbackend.cc
index 158429460f36d208ef75342e1f53f8f689bbb6b7..c2fa92deb1b9a34bc5109da25822e9f8028db764 100644 (file)
--- a/modules/lmdbbackend/lmdbbackend.cc
+++ b/modules/lmdbbackend/lmdbbackend.cc
@@ -364,6 +364,10 @@ bool LMDBBackend::startTransaction(const DNSName &domain, int domain_id)
 bool LMDBBackend::commitTransaction()
 {
   // cout<<"Commit transaction" <<endl;
+  if (!d_rwtxn) {
+    throw DBException("Attempt to commit a transaction while there isn't one open");
+  }
+
   d_rwtxn->txn->commit();
   d_rwtxn.reset();
   return true;
@@ -372,6 +376,10 @@ bool LMDBBackend::commitTransaction()
 bool LMDBBackend::abortTransaction()
 {
   // cout<<"Abort transaction"<<endl;
+  if (!d_rwtxn) {
+      throw DBException("Attempt to abort a transaction while there isn't one open");
+  }
+
   d_rwtxn->txn->abort();
   d_rwtxn.reset();