From 0326eb4afeac07df7d99bed844c4243bbf9c78a2 Mon Sep 17 00:00:00 2001
From: sonarnerd <sonarnerd@0c269be4-1314-0410-8aa9-9f06e86f4224>
Date: Wed, 29 Apr 2009 21:17:09 +0000
Subject: [PATCH] Kjetil S. Matheussen: Fix a bug in HPET mmap() error check

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@3522 0c269be4-1314-0410-8aa9-9f06e86f4224
---
 config/os/gnu-linux/time.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/config/os/gnu-linux/time.c b/config/os/gnu-linux/time.c
index 883b233..0fc6ae6 100644
--- a/config/os/gnu-linux/time.c
+++ b/config/os/gnu-linux/time.c
@@ -60,7 +60,7 @@ jack_hpet_init ()
 
 	hpet_ptr = (unsigned char *) mmap(NULL, HPET_MMAP_SIZE,
 					  PROT_READ, MAP_SHARED, hpet_fd, 0);
-	if (hpet_ptr == NULL) {
+	if (hpet_ptr == MAP_FAILED) {
 		jack_error ("This system has no mappable HPET device (%s)", strerror (errno));
 		close (hpet_fd);
 		return -1;