[PATCH] NFS: readdir reply truncated

Fix the tests for readdir reply truncation so that we don't get
uncalled for kernel verbiage.

fs/nfs/nfs2xdr.c

@@ -434,7 +434,7 @@ nfs_xdr_readdirres(struct rpc_rqst *req, u32 *p, void *dummy)
 			goto short_pkt;
 		entry = p;
 	}
-	if (!nr)
+	if (!nr && (entry[0] != 0 || entry[1] != 1))
 		goto short_pkt;
  out:
 	kunmap(*page);

fs/nfs/nfs3xdr.c

@@ -579,7 +579,7 @@ nfs3_xdr_readdirres(struct rpc_rqst *req, u32 *p, struct nfs3_readdirres *res)
 			goto short_pkt;
 		entry = p;
 	}
-	if (!nr)
+	if (!nr && (entry[0] != 0 || entry[1] != 1))
 		goto short_pkt;
  out:
 	kunmap(*page);