Patch "nfs4.1: properly handle ENOTSUP in SECINFO_NO_NAME" has been added to the 3.12-stable tree

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This is a note to let you know that I've just added the patch titled

    nfs4.1: properly handle ENOTSUP in SECINFO_NO_NAME

to the 3.12-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     nfs4.1-properly-handle-enotsup-in-secinfo_no_name.patch
and it can be found in the queue-3.12 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.


>From 78b19bae0813bd6f921ca58490196abd101297bd Mon Sep 17 00:00:00 2001
From: Weston Andros Adamson <dros@xxxxxxxxxxxxxxx>
Date: Mon, 13 Jan 2014 16:54:45 -0500
Subject: nfs4.1: properly handle ENOTSUP in SECINFO_NO_NAME

From: Weston Andros Adamson <dros@xxxxxxxxxxxxxxx>

commit 78b19bae0813bd6f921ca58490196abd101297bd upstream.

Don't check for -NFS4ERR_NOTSUPP, it's already been mapped to -ENOTSUPP
by nfs4_stat_to_errno.

This allows the client to mount v4.1 servers that don't support
SECINFO_NO_NAME by falling back to the "guess and check" method of
nfs4_find_root_sec.

Signed-off-by: Weston Andros Adamson <dros@xxxxxxxxxxxxxxx>
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 fs/nfs/nfs4proc.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7561,7 +7561,7 @@ nfs41_proc_secinfo_no_name(struct nfs_se
 		switch (err) {
 		case 0:
 		case -NFS4ERR_WRONGSEC:
-		case -NFS4ERR_NOTSUPP:
+		case -ENOTSUPP:
 			goto out;
 		default:
 			err = nfs4_handle_exception(server, err, &exception);
@@ -7595,7 +7595,7 @@ nfs41_find_root_sec(struct nfs_server *s
 	 * Fall back on "guess and check" method if
 	 * the server doesn't support SECINFO_NO_NAME
 	 */
-	if (err == -NFS4ERR_WRONGSEC || err == -NFS4ERR_NOTSUPP) {
+	if (err == -NFS4ERR_WRONGSEC || err == -ENOTSUPP) {
 		err = nfs4_find_root_sec(server, fhandle, info);
 		goto out_freepage;
 	}


Patches currently in stable-queue which might be from dros@xxxxxxxxxxxxxxx are

queue-3.12/nfs4.1-properly-handle-enotsup-in-secinfo_no_name.patch
queue-3.12/nfs4-fix-discover_server_trunking-use-after-free.patch
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