Simpler mdb_txn_commit().

mt_env is always set.
Commit(mt_child) resets mt_child, so parent need not.

diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
index b5db13b..00a6d07 100644 (file)
--- a/libraries/liblmdb/mdb.c
+++ b/libraries/liblmdb/mdb.c
@@ -3349,12 +3349,11 @@ mdb_txn_commit(MDB_txn *txn)
        unsigned int i;
        MDB_env *env;
 
-       if (txn == NULL || txn->mt_env == NULL)
+       if (txn == NULL)
                return EINVAL;
 
        if (txn->mt_child) {
                rc = mdb_txn_commit(txn->mt_child);
-               txn->mt_child = NULL;
                if (rc)
                        goto fail;
        }