From eb22a0da95ed26f3ca842e11dd18a97499580fe7 Mon Sep 17 00:00:00 2001
From: mpi <mpi@openbsd.org>
Date: Sun, 5 Apr 2020 08:32:14 +0000
Subject: [PATCH] Do not assume futex(2) is always returning an errno value.

In the case of FUTEX_WAKE a number of woken threads is returned.

ok guenther@
---
 usr.bin/kdump/kdump.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/usr.bin/kdump/kdump.c b/usr.bin/kdump/kdump.c
index 1c510bfb5d2..fb71d3c7520 100644
--- a/usr.bin/kdump/kdump.c
+++ b/usr.bin/kdump/kdump.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kdump.c,v 1.142 2020/04/05 07:31:45 visa Exp $	*/
+/*	$OpenBSD: kdump.c,v 1.143 2020/04/05 08:32:14 mpi Exp $	*/
 
 /*-
  * Copyright (c) 1988, 1993
@@ -1128,7 +1128,6 @@ doerr:
 			/* syscalls that return errno values */
 			case SYS_getlogin_r:
 			case SYS___thrsleep:
-			case SYS_futex:
 				if ((error = ret) != 0)
 					goto doerr;
 				/* FALLTHROUGH */