LU-882 quota: Quota code compares unsigned < 0

[fs/lustre-release.git] / lustre / quota / quota_interface.c

diff --git a/lustre/quota/quota_interface.c b/lustre/quota/quota_interface.c
index f2c5f9e..01dc6ac 100644 (file)
--- a/lustre/quota/quota_interface.c
+++ b/lustre/quota/quota_interface.c
@@ -28,6 +28,9 @@
 /*
  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
+ *
+ * Copyright (c) 2011 Whamcloud, Inc.
+ *
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
@@ -330,6 +333,8 @@ static int quota_check_common(struct obd_device *obd, const unsigned int id[],
                                         else
                                                 pending[i] += mb;
                                 }
+                                LASSERTF(pending[i] >= 0, "pending is not valid"
+                                         ", count=%d, mb=%d\n", count, mb);
                                 lqs->lqs_bwrite_pending += pending[i];
                         } else {
                                 pending[i] = count;