From: Ben Gras <ben@minix3.org>
Date: Wed, 30 May 2012 22:46:47 +0000 (+0200)
Subject: mthread: mmap returns MAP_FAILED on error
X-Git-Tag: v3.2.1~556
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/mult.png?a=commitdiff_plain;h=c0ef4c4956667225de269f4da31b1b3435da1f22;p=minix.git

mthread: mmap returns MAP_FAILED on error
---

diff --git a/lib/libmthread/allocate.c b/lib/libmthread/allocate.c
index c82143d72..3eb1f0610 100644
--- a/lib/libmthread/allocate.c
+++ b/lib/libmthread/allocate.c
@@ -406,7 +406,7 @@ void *arg;
 	stackaddr = minix_mmap(NULL, stacksize,
 			       PROT_READ|PROT_WRITE, MAP_ANON|MAP_PRIVATE,
 			       -1, 0);
-	if (stackaddr == NULL)
+	if (stackaddr == MAP_FAILED)
   		mthread_panic("Failed to allocate stack to thread");
 
 #if (_MINIX_CHIP == _CHIP_INTEL)