From 7d740ab409689eefe9c88e7d1e7d94b8189ddf19 Mon Sep 17 00:00:00 2001
From: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date: Sun, 20 Nov 2016 20:41:20 +0100
Subject: boot: fix crash when S_processor_set_tasks is called early

* boot/boot.c (S_processor_set_tasks): Return empty array when
task_ihash.nr_items is still 0.
---
 boot/boot.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'boot/boot.c')

diff --git a/boot/boot.c b/boot/boot.c
index d0e02075..491c1a96 100644
--- a/boot/boot.c
+++ b/boot/boot.c
@@ -1994,6 +1994,10 @@ S_processor_set_tasks(mach_port_t processor_set,
   error_t err;
   size_t i;
 
+  if (!task_ihash.nr_items)
+    *task_listCnt = 0;
+  return 0;
+
   err = vm_allocate (mach_task_self (), (vm_address_t *) task_list,
 		     task_ihash.nr_items * sizeof **task_list, 1);
   if (err)
-- 
cgit v1.2.3