From f2bf96d30fe08965ffd53a28099131ac030e43d5 Mon Sep 17 00:00:00 2001
From: Jung-uk Kim <jkim@FreeBSD.org>
Date: Fri, 28 May 2010 18:46:48 +0000
Subject: Import ACPICA 20100528.

---
 executer/exsystem.c | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'executer/exsystem.c')

diff --git a/executer/exsystem.c b/executer/exsystem.c
index 8f4ccfe37140..0217ef53ffac 100644
--- a/executer/exsystem.c
+++ b/executer/exsystem.c
@@ -302,6 +302,15 @@ AcpiExSystemDoSleep (
 
     AcpiExRelinquishInterpreter ();
 
+    /*
+     * For compatibility with other ACPI implementations and to prevent
+     * accidental deep sleeps, limit the sleep time to something reasonable.
+     */
+    if (HowLong > ACPI_MAX_SLEEP)
+    {
+        HowLong = ACPI_MAX_SLEEP;
+    }
+
     AcpiOsSleep (HowLong);
 
     /* And now we must get the interpreter again */
-- 
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