NFS: Change initial mount authflavor only when server returns NFS4ERR_WRONGSEC

When attempting an initial mount, we should only attempt other
authflavors if AUTH_UNIX receives a NFS4ERR_WRONGSEC error.
This allows other errors to be passed back to userspace programs.

Signed-off-by: Bryan Schumaker <bjschuma@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index dfd1e6d..9bf41ea 100644 (file)
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -2204,8 +2204,6 @@ static int nfs4_lookup_root_sec(struct nfs_server *server, struct nfs_fh *fhandl
                goto out;
        }
        ret = nfs4_lookup_root(server, fhandle, info);
-       if (ret < 0)
-               ret = -EAGAIN;
 out:
        return ret;
 }
@@ -2226,7 +2224,7 @@ static int nfs4_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
 
        for (i = 0; i < len; i++) {
                status = nfs4_lookup_root_sec(server, fhandle, info, flav_array[i]);
-               if (status == 0)
+               if (status != -EPERM)
                        break;
        }
        if (status == 0)