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 b2ef6730be81a19bdb66a92273f52762d4796649..2529ae9f7cef0e516b4a7b279836c9778a39064e 100644 (file)
--- 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