From: bobijam <bobijam>
Date: Mon, 15 Jun 2009 01:42:31 +0000 (+0000)
Subject: Branch b1_8
X-Git-Tag: v1_8_2_01~1^2~321
X-Git-Url: https://git.whamcloud.com/?a=commitdiff_plain;h=8b73b94f366b96a9b71badca7b2e1947180f3d34;p=fs%2Flustre-release.git

Branch b1_8
b=17213
i=andrew.perepechko (panda)
i=johann

avoid getting client uuid from invalid client_obd.
---

diff --git a/lustre/llite/llite_lib.c b/lustre/llite/llite_lib.c
index 475f599..f12d150 100644
--- a/lustre/llite/llite_lib.c
+++ b/lustre/llite/llite_lib.c
@@ -2429,9 +2429,14 @@ int ll_obd_statfs(struct inode *inode, void *arg)
                 GOTO(out_statfs, rc = -EFAULT);
 
 out_uuid:
-        if (copy_to_user(data->ioc_pbuf2, obd2cli_tgt(client_obd),
-                         data->ioc_plen2))
-                rc = -EFAULT;
+        if (client_obd) {
+                if (copy_to_user(data->ioc_pbuf2, obd2cli_tgt(client_obd),
+                                 data->ioc_plen2))
+                        rc = -EFAULT;
+        } else {
+                if (copy_to_user(data->ioc_pbuf2, "Unknown UUID", 13))
+                        rc = -EFAULT;
+        }
 
 out_statfs:
         if (buf)