[3.8.y.z extended stable] Patch "SUNRPC: don't map EKEYEXPIRED to EACCES in call_refreshresult" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    SUNRPC: don't map EKEYEXPIRED to EACCES in call_refreshresult

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.18.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From c0182c43f256314ee66128634119ffc7f766a6d5 Mon Sep 17 00:00:00 2001
From: Andy Adamson <andros at netapp.com>
Date: Wed, 14 Aug 2013 11:59:13 -0400
Subject: SUNRPC: don't map EKEYEXPIRED to EACCES in call_refreshresult

commit f1ff0c27fd9987c59d707cd1a6b6c1fc3ae0a250 upstream.

The NFS layer needs to know when a key has expired.
This change also returns -EKEYEXPIRED to the application, and the informative
"Key has expired" error message is displayed. The user then knows that
credential renewal is required.

Signed-off-by: Andy Adamson <andros at netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust at netapp.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 net/sunrpc/clnt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
index d8b6ad9..e1d98c8 100644
--- a/net/sunrpc/clnt.c
+++ b/net/sunrpc/clnt.c
@@ -1376,9 +1376,9 @@ call_refreshresult(struct rpc_task *task)
 		return;
 	case -ETIMEDOUT:
 		rpc_delay(task, 3*HZ);
-	case -EKEYEXPIRED:
 	case -EAGAIN:
 		status = -EACCES;
+	case -EKEYEXPIRED:
 		if (!task->tk_cred_retry)
 			break;
 		task->tk_cred_retry--;
--
1.8.3.2