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lineage_android_kernel_samsung_jf
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nfs4.1: properly handle ENOTSUP in SECINFO_NO_NAME 

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@primarydata.com>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Weston Andros Adamson 2014-01-13 16:54:45 -05:00 committed by Greg Kroah-Hartman
parent 3c16dfe205
commit b5f0608e9f
1 changed files with 2 additions and 2 deletions
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4
fs/nfs/nfs4proc.c
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@ -6394,7 +6394,7 @@ nfs41_proc_secinfo_no_name(struct nfs_server *server, struct nfs_fh *fhandle,
switch (err) { switch (err) {
case 0: case 0:
case -NFS4ERR_WRONGSEC: case -NFS4ERR_WRONGSEC:
case -NFS4ERR_NOTSUPP: case -ENOTSUPP:
goto out; goto out;
default: default:
err = nfs4_handle_exception(server, err, &exception); err = nfs4_handle_exception(server, err, &exception);
@ -6426,7 +6426,7 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle,
* Fall back on "guess and check" method if * Fall back on "guess and check" method if
* the server doesn't support SECINFO_NO_NAME * 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); err = nfs4_find_root_sec(server, fhandle, info);
goto out_freepage; goto out_freepage;
} }