From 4e43a62151bbc5522f72ab74f1349468d9187465 Mon Sep 17 00:00:00 2001
From: joq <joq@0c269be4-1314-0410-8aa9-9f06e86f4224>
Date: Fri, 7 Nov 2003 05:45:03 +0000
Subject: [PATCH] [0.89.8] check MAP_FAILED in jack_release_shm()

git-svn-id: svn+ssh://jackaudio.org/trunk/jack@558 0c269be4-1314-0410-8aa9-9f06e86f4224
---
 libjack/shm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libjack/shm.c b/libjack/shm.c
index 1e44cc0..fd4d11f 100644
--- a/libjack/shm.c
+++ b/libjack/shm.c
@@ -219,7 +219,7 @@ jack_destroy_shm (jack_shm_info_t* si)
 void
 jack_release_shm (jack_shm_info_t* si)
 {
-	if (si->attached_at >= 0) {
+	if (si->attached_at != MAP_FAILED) {
 		munmap (si->attached_at, jack_shm_registry[si->index].size);
 	}
 }
@@ -400,7 +400,7 @@ jack_destroy_shm (jack_shm_info_t* si)
 void
 jack_release_shm (jack_shm_info_t* si)
 {
-	if (si->attached_at >= 0) {
+	if (si->attached_at != MAP_FAILED) {
 		shmdt (si->attached_at);
 	}
 }