NFS: Simplify filehandle revalidation

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index d352509..bdf4ba4 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -704,6 +704,7 @@
 				(S_ISREG(inode->i_mode) ||
 				 S_ISDIR(inode->i_mode)))
 			goto out_force;
+		return 0;
 	}
 	return nfs_revalidate_inode(server, inode);
 out_force: