nfs4.1: properly handle ENOTSUP in SECINFO_NO_NAME

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 <[email protected]>

---

I found this trying to mount a pynfs filelayout server.

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

fs/nfs/nfs4proc.c +2 -2

index 15052b8..1d57b6a 100644
@@ -7920,7 +7920,7 @@ nfs41_proc_secinfo_no_name(struct nfs_server *server, struct nfs_fh *fhandle,
 		switch (err) {
 		case 0:
 		case -NFS4ERR_WRONGSEC:
-		case -NFS4ERR_NOTSUPP:
+		case -ENOTSUPP:
 			goto out;
 		default:
 			err = nfs4_handle_exception(server, err, &exception);

@@ -7954,7 +7954,7 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle,
 	 * 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;
 	}