From: Bob Moore <robert.moore@intel.com>
Date: Fri, 2 Feb 2007 16:48:21 +0000 (+0300)
Subject: ACPICA: Fix for Global Lock semaphore.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=73ca0fbcc25a6080db4136f55dbcd5fe7b33398f;p=linux-beck.git

ACPICA: Fix for Global Lock semaphore.

Fixed a problem with the Global Lock where the lock could appear to be obtained before it is actually obtained, semaphore created with one unit.

Signed-off-by: Alexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
---

diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index b2ef6730be81..2529ae9f7cef 100644
--- a/drivers/acpi/namespace/nsaccess.c
+++ b/drivers/acpi/namespace/nsaccess.c
@@ -214,7 +214,7 @@ acpi_status acpi_ns_root_initialize(void)
 					/* Create additional counting semaphore for global lock */
 
 					status =
-					    acpi_os_create_semaphore(1, 1,
+					    acpi_os_create_semaphore(1, 0,
 								     &acpi_gbl_global_lock_semaphore);
 					if (ACPI_FAILURE(status)) {
 						acpi_ut_remove_reference