From: Bob Moore <robert.moore@xxxxxxxxx>
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@xxxxxxxxx>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
---
drivers/acpi/namespace/nsaccess.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c
index b2ef673..2529ae9 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
--
1.5.0.rc3.39.gec804
-
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