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Message-Id: <20140211184721.792336405@linuxfoundation.org>
Date: Tue, 11 Feb 2014 11:05:34 -0800
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
Weston Andros Adamson <dros@...marydata.com>,
Trond Myklebust <trond.myklebust@...marydata.com>
Subject: [PATCH 3.10 30/79] nfs4.1: properly handle ENOTSUP in SECINFO_NO_NAME
3.10-stable review patch. If anyone has any objections, please let me know.
------------------
From: Weston Andros Adamson <dros@...marydata.com>
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@...marydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@...marydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
fs/nfs/nfs4proc.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6683,7 +6683,7 @@ 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);
@@ -6715,7 +6715,7 @@ 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;
}
--
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