From 234cd9dfb54ef2f7f83963d95b6eb8e9735bb372 Mon Sep 17 00:00:00 2001
From: Howard Chu <hyc@symas.com>
Date: Thu, 26 Jul 2012 08:42:41 -0700
Subject: [PATCH] Fix txn_commit error check

---
 libraries/libmdb/mdb.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libraries/libmdb/mdb.c b/libraries/libmdb/mdb.c
index 85bacdac7e..4563e23e8b 100644
--- a/libraries/libmdb/mdb.c
+++ b/libraries/libmdb/mdb.c
@@ -1913,7 +1913,11 @@ mdb_txn_commit(MDB_txn *txn)
 			key.mv_data = &cur;
 
 			mdb_cursor_set(&mc, &key, NULL, MDB_SET, &exact);
-			mdb_cursor_del(&mc, 0);
+			rc = mdb_cursor_del(&mc, 0);
+			if (rc) {
+				mdb_txn_abort(txn);
+				return rc;
+			}
 		}
 		env->me_pgfirst = 0;
 		env->me_pglast = 0;