b=24188 rehash patch makes oops in quota_search_lqs

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

diff --git a/lustre/quota/quota_check.c b/lustre/quota/quota_check.c
index 17f20d8..6732d06 100644 (file)
--- a/lustre/quota/quota_check.c
+++ b/lustre/quota/quota_check.c
@@ -26,7 +26,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
@@ -298,20 +298,32 @@ int lov_quota_check(struct obd_device *unused, struct obd_export *exp,
         int i, rc = 0;
         ENTRY;
 
+        obd_getref(obd);
+
         for (i = 0; i < lov->desc.ld_tgt_count; i++) {
-                if (!lov->lov_tgts[i] || !lov->lov_tgts[i]->ltd_active) {
+                if (!lov->lov_tgts[i])
+                        continue;
+
+                if (!lov->lov_tgts[i]->ltd_active) {
                         CERROR("lov idx %d inactive\n", i);
-                        RETURN(-EIO);
+                        rc = -EIO;
+                        goto out;
                 }
         }
 
         for (i = 0; i < lov->desc.ld_tgt_count; i++) {
                 int err;
 
+                if (!lov->lov_tgts[i])
+                        continue;
+
                 err = obd_quotacheck(lov->lov_tgts[i]->ltd_exp, oqctl);
                 if (err && !rc)
                         rc = err;
         }
 
+out:
+        obd_putref(obd);
+
         RETURN(rc);
 }